After having my baby six months ago, I worked hard to slowly restore and heal my body. I did exercises to heal my ab separation and gradually got back into working out. It was not until the FASTer Way that I began to see fat loss. In the past six weeks I have seen my body shape and size begin to return to "normal". My postpartum goal has not been to get my body back but to build a new, fit body. I finally feel fit again! I'm excited to continue to see progress through this lifestyle!
If you eat a carbohydrate-rich meal (lots of pasta, rice, bread, or French fries, for example), your body releases insulin to help with the influx of all this glucose into your blood. As well as regulating blood sugar levels, insulin does two things: It prevents your fat cells from releasing fat for the body to burn as fuel (because its priority is to burn off the glucose) and it creates more fat cells for storing everything that your body can’t burn off. The result is that you gain weight and your body now requires more fuel to burn, so you eat more. Since insulin only burns carbohydrates, you crave carbs and so begins a vicious cycle of consuming carbs and gaining weight. To lose weight, the reasoning goes, you need to break this cycle by reducing carbs.
Cut back on carbs: Remember how insulin has the biggest impact on fat storage? Well, carbs have the biggest impact on insulin. ”Too many carbohydrates leads to a spike in the hormone and then to more fat storage,” Seedman explains. Not only should you cut back on carbs, but your insulin will spike even more from processed ones, so cut any carb that’s not a whole grain or from real produce completely. And don’t worry: Carbs are traditionally thought of as your body’s main source of energy, but your body also has the ability to fuel from fat, so if you’re increasing your fat and protein intake, your body doesn’t need as many carbs to run. You still need some amount of carbohydrates to regulate certain biological processes, like your muscles’ ability to stay hydrated and maintain structural integrity, so don’t cut the macronutrient completely, Seedman warns. For a high-fat, low-carb diet, aim for at least .5 of your bodyweight (so a 200 lb person would eat at least 100 grams of carbs per day), he suggests. For a more balanced calorie-restricted diet, that number jumps to .75 to 1.5 grams per pound of bodyweight.

I felt like I had a pretty good grasp on nutrition, but what mid 20-30s female doesn't suffer from constant pressure to be as skinny and fit as possible!? My first marriage was falling apart when I decided to pick up racing, and the training was a good escape. I had managed to get a little more fit with P90X but I really enjoyed my YMCA family more than Tony and sweating it out in a garage. Plus, I grew up in the south and truly enjoy experiencing food wherever we are (my mom should have been a pro, but my little brother is a chef! We really love to eat) I managed my fitness with Y memberships and what I thought was "balanced eating" but even in triathlons I needed a racing coach and a separate nutritionist. I know I was guilty of the "I rode 40 miles and ran 10" I can eat what I want mindset and luckily my mid 30's seemed to allow for that! Even though I experienced success and thought that the racing got me into the best shape I had been, I still felt all over the place with fitness and nutrition. Add in migraines, less an less "quality" sleep, fatigue and a metabolic panel suddenly all over the place, I was ready for something that was consistent, manageable, and did a lifestyle improvement rather than a quick fix.
Whether or not you’re specifically aiming to cut carbs, most of us consume unhealthy amounts of sugar and refined carbohydrates such as white bread, pizza dough, pasta, pastries, white flour, white rice, and sweetened breakfast cereals. Replacing refined carbs with their whole-grain counterparts and eliminating candy and desserts is only part of the solution, though. Sugar is hidden in foods as diverse as canned soups and vegetables, pasta sauce, margarine, and many reduced fat foods. Since your body gets all it needs from sugar naturally occurring in food, all this added sugar amounts to nothing but a lot of empty calories and unhealthy spikes in your blood glucose.
Dieting and exercise go hand in hand. If you thought that only dieting will burn your belly fat, you are wrong. If you really want to lose weight, you need to include an hour of exercise in your daily routine for targeting and reducing belly fat. Here, we have compiled a list of 16 exercises that can help you reduce belly fat faster than you thought it would take:

Do not try to lose weight too rapidly. Crash diets and diet pills that promise weight loss are usually bad for you and actually don't help keep the weight off in the long run. Resist the urge to take the "easy" way out and instead stick with a healthier lifestyle. This way you lose the weight and improve your health, helping you keep the weight off in a way that won't harm you in the long run.

Saturated fats in food will pack on more visceral fat than polyunsaturated ones, according to a 2014 Swedish study. When subjects ate 750 more calories daily for seven weeks, either in the form of palm oil (saturated) or sunflower oil (polyunsaturated), the former gained more visceral fat while the latter gained more muscle mass and less body fat. The study authors believe different fat types can impact both the way your body forms fat and stores it. What’s more, including healthy fats in your meals can make them more satiating and keeps hunger at bay.
The easiest way to cut calories? Eliminate excess dietary fat—meaning no butter, oils, or salad dressings (low-fat or fat-free dressings are OK); remove the skin from chicken; substitute egg whites for most of your whole eggs; avoid whole-milk dairy products; and ditch marbled red meats such as rib-eye for lean cuts such as flank. Keep some healthy fats in your diet, such as salmon, mixed nuts, peanut butter, and avocados.
Muscle tissue is a biologically active tissue, this means that it needs and uses calories just to continue being. Some studies have shown that 1 pound of muscle can burn up to 50 calories per day by simply existing. This means that if you gain 10 lbs of muscle you can eat 500 more calories per day and still lose fat. This is just one of many reasons why it is so important to preserve muscle tissue while cutting fat.
If you’re logging just a few hours of sleep a night, you may actually find yourself gaining weight. Researchers at the University of Chicago Medical Center found that subjects who slept just four hours had a harder time processing carbs. "When you're exhausted, your body lacks the energy to do its normal day-to-day functions, which includes burning calories efficiently," says Talbott.

Other diabetes medications. Insulin-releasing tablets (e.g. sulphonylureas) often lead to weight gain. These include: Minodiab, Euglucon, Daonil, and Glibenclamide. Tablets like Avandia, Actos, Starlix and NovoNorm also encourage weight gain. But not Metformin. The newer drugs Victoza and Byetta (injectable) often lead to weight loss, but possible long-term side effects are still unknown. More on diabetes
Toning your abs when trying to lose belly fat is crucial as well. To make a traditional plank routine more challenging, add in side planks. Roll onto your left forearm and stack your right foot on top of your left. Hold this position for 60 seconds, then switch sides. Having only two points of contact rather than four works your core harder and challenges your obliques as well.
Doing crunches until the cows come home? Stop it! When you're down to your final inches of belly fat, the dreaded crunch won't be the exercise that finally reveals your six-pack. "You can't spot reduce," Jill says. Instead, she suggests doing functional exercises that use the muscles in your core—abdominals, back, pelvic, obliques—as well as other body parts. "These exercises use more muscles, so there is a higher rate of calorie burn while you are doing them," she says. Planks are her favorite functional exercise—they activate not just your core muscles but also your arm, leg, and butt muscles.
Matheny recommends a Tabata-style workout to rev up your fat-burning power. For this, you'll spend 20 seconds doing an intense exercise, like burpees, followed by 10 seconds rest. You'll repeat the sequence eight times, giving you a four-minute workout. For a quick and dirty full-body workout, repeat the sequence five times with five different exercises for a total of 20 minutes. 

A sedentary lifestyle is one of the major causes of occurrence of belly fat. If you don’t indulge in any physical activity, and spend most of the time sitting, watching T.V., reading, etc., it is known as a sedentary lifestyle. Lack of regular exercise, or not exercising at all can lead to fat storage around the belly area. In other words, being a couch potato will make you fat.


Try interval training. This type of exercise routine can help you break up your workout without actually stopping your workout session. Interval training involves you going at an easy pace for a duration of time, and then going all out. You can also adjust the duration and pauses between the cycling back and forth. This can burn more calories and potentially increase your metabolism.[16]


Your parents weren’t kidding about how important veggies are for a healthy body. What they probably didn’t tell you, however, was that snacking on veggies is also one of the easiest ways to shed unwanted belly fat, too. According to a study published in the Journal of the Academy of Nutrition and Dietetics, opting for non-starchy veggies, like cauliflower, broccoli, and cucumber, as snacks helped overweight kids shed 17 percent of their visceral fat while improving their insulin sensitivity over a five-year period. Think snacking on veggies will leave you hungry? The 20 Most Filling Fruits and Veggies will have your belly satisfied in no time.
Before I started The FASTer Way to Fat Loss I had tried several different workout & eating plans. “Whole” this and “watchers” that ... and nothing stuck. I tried dvd workouts, running, group classes and doing cardio until I wanted to throw myself off the stair master. Amanda’s program is easy to follow and the way it’s paired with a support group is truly brilliant. The comradery and encouragement I found in the group was a great tool to help me with any questions, struggles, set backs or victories in my daily workouts. Logging my meals and sharing my progress with my group was an awesome way to stay accountable and check-in. The positive feedback from Amanda & my group was paramount when I felt like it was getting tough or I wanted to stray from the plan. The workouts were challenging but I could finish them from the beginning, which motivated me to keep going. I’ve grown to LOVE lifting weights and enjoy being in the gym with a plan and a schedule every week. 
• “If It Fits Your Macros” – this is the polar opposite of the eat clean maxim. Eat whatever you like as long as it “fits your macros”. While the intent behind this message was to prevent the neurotic mentality of ‘eat clean’, as is bound to happen, people bastardised the term and began eating all sorts of junk and weird food combinations to ‘hit their macros’.
When a lot of insulin is released by the body consistently throughout the day, not only does it prevent fat loss, but it also encourages the body to store energy as body fat. The types of calories that spike insulin the most are those from carbohydrates in the form of simple sugar. So if you want to eat carbohydrates, stick to healthy carbohydrates from food that gets digested slowly. Along with carbohydrates, protein can also spike your insulin levels, especially those from dairy-based sources like skim milk and yogurt.
Women who ate low-fat dairy products, such as non-fat yogurt and low-fat cheese three to four times a day lost 70 percent more fat than low-dairy dieters, according to a study published in the journal Obesity Research. "Calcium serves as a switch that tells your body to burn excess fat faster," explains study author Michael Zemel, M.D., director of the Nutrition Institute at the University of Tennessee in Knoxville. Sorry, but you won't reap the same benefits from calcium-fortified O.J. Research shows that you get the best results from dairy products themselves, not fortified foods. Aim for 1,200 mg, which includes about three servings of dairy a day.
A healthy GI tract is teeming with beneficial bacteria, and scientists are uncovering just how important those microbes are for keeping your weight under control. They’ve discovered that the strains of bacteria in the guts of thin people differ from those in obese folks, and there’s evidence that certain types of probiotics may help aid weight loss by assisting with the regulation of appetite, fat storage, and other related metabolic functions. You can get probiotics from live culture yogurt and certain supplements. While popping a pill or eating yogurt won’t magically shrink your waist, warns Ginger Hultin, RD, gut health is important. Read more about the weight loss benefits of probiotics.
The fat on this program makes you feel MUCH better than you do on a fast or a low fat diet. Most people can continue to work (in office jobs) at normal levels. In fact, most people feel like rock stars, with even more energy than normal. This is not a diet to use while you’re working out excessively, although a short workout once a week right before you eat will help.
The 2003 research indicated that exercise is a top weapon against visceral fat, backed up by a 2011 study which found that aerobic exercise is basically a magic bullet. Aerobic exercise is known to most people as cardio — activities such as running and cycling, as opposed to resistance training (where you lift heavy stuff around). While participants in the study worked fairly hard (jogging 20km per week at a high intensity), the researchers said lower-intensity but longer workouts should have similar benefits.
It is possible to do more in less time — at least when it comes to your workouts. By incorporating interval training — that means bursts of high-intensity moves — you’ll give your metabolism a huge boost, says Glenn Gaesser, Ph.D., director of the Kinesiology Program at the University of Virginia and author of The Spark. If you usually jog at a consistent pace, try adding a 30-second to one-minute sprint every five minutes, or, if you’re on a treadmill, change up the incline for one-minute intervals.
If you eat a carbohydrate-rich meal (lots of pasta, rice, bread, or French fries, for example), your body releases insulin to help with the influx of all this glucose into your blood. As well as regulating blood sugar levels, insulin does two things: It prevents your fat cells from releasing fat for the body to burn as fuel (because its priority is to burn off the glucose) and it creates more fat cells for storing everything that your body can’t burn off. The result is that you gain weight and your body now requires more fuel to burn, so you eat more. Since insulin only burns carbohydrates, you crave carbs and so begins a vicious cycle of consuming carbs and gaining weight. To lose weight, the reasoning goes, you need to break this cycle by reducing carbs.
According to the Dietary Guidelines for Americans those who achieve and manage a healthy weight do so most successfully by being careful to consume just enough calories to meet their needs, and being physically active.[10] According to the U.S. Food and Drug Administration (FDA), healthy individuals seeking to maintain their weight should consume 2,000 calories (8.4 MJ) per day.[citation needed]
Over the past few years it has become clear that weight is an important health issue. Some people who need to lose weight for their health don't recognize it, while others who don't need to lose weight want to get thinner for cosmetic reasons. We understand that in some ways your weight is different from, for example, your cholesterol level or your blood pressure, because you can't see what these are by looking at someone. Many patients have had health care providers who approached their weight in a less-than-sensitive or helpful manner. Some patients may have had health care encounters in which they felt blamed, but not helped. Successful weight management is a long-term challenge.
You will feel hungry sometimes, but you can eat more fat if you do. The first three days, you may need L-glutamine. If your body is really toxic, you may feel headaches or like you got the flu. It passes in a couple days. If you need painkillers, go for aspirin, NEVER Tylenol. Tylenol will hurt your liver and make it hard to detox because it depletes glutathione.
its so beautiful how you have explained everything in so much detail,out of all the sites yours is my favorite its because every step every word is described and explained so genuinely as you know overweight is one of the biggest issue these days and people get many unknown illness because of this . the main reason is fast food and lack of exercise , and most importantly lack of guidance but i think that will not be an issue as long as sites like you ” ALIVE BY NATURE” are present people can get the best advice .
I am 56 years old. For the past several years I have put everyone in my family needs before my own. I work 2 jobs and have very few days off. I am overweight, always tired and have lots of pain. I have tried about every diet out there without any long term success. 7 weeks ago, a friend told me about this program. I deduced to make an investment in myself. I can't believe the amazing results. Almost immediately I had more energy, had better more restful sleep and my appetite has been reset. I now know when I am actually hungry. This plan of carbon cycling, intermittent fasting and workouts are so effective. I lost 14.2 pounds and 17.25 inches. But I gained a new appreciation of myself and that is totally worth the investment. This is not a fad diet for me...it is my new and improved way of life. Thanks Amanda for giving me my life back.
14 ways to lose weight without diet or exercise Strict diets can be challenging to follow, and people may not always have the time or ability to exercise. However, a variety of simple lifestyle changes can help people lose weight and improve their health. These include taking probiotics, getting enough sleep, and thoroughly chewing food. Learn more here. Read now
"One of the hardest parts of losing weight is maintaining the lifestyle changes you’ve made. It’s difficult to stay motivated all the time, especially if you’ve slipped up along the way. But don’t let this affect your end goal. If you’re feeling particularly unmotivated, ask a friend to join you for your workout and then afterwards cook something healthy for dinner together."
If you want to lose weight, you’d better avoid special “low-carb” products that are full of carbs. This should be obvious, but creative marketers are doing all they can to fool you (and get your money). They will tell you that you can eat cookies, pasta, ice cream, bread and plenty of chocolate on a low-carb diet, as long as you buy their brand. They’re full of carbohydrates. Don’t be fooled.
I don't even know where to begin! The FASTer Way to Fat Loss has truly been a life changing experience for me! I feel trimmer, have more energy and am eating so much better! On top of all that my clothes are fitting better, and I am feeling more comfortable in my own skin. When I started this journey, I was super unhappy with the way I looked and was definitely uncomfortable in my own skin. Now I am so proud of the work I have put in, and even though I still have work to do, I know I can do it. Having that confidence is huge for me! Focusing on the nonscale victories has been huge for me! However, weighing in today and doing my measurements has been fantastic, too. I am super impressed with my results! Over the last six weeks, I have lost a total of 16 pounds and a total of 13 inches! All after just one round! I can't wait to see where this lifestyle will take me!!

Usually work out for 30 minutes? Exercise for a third of that—but go hard! "An intense 10 minutes jump-starts your metabolic furnace and equals about 20 or 30 minutes at a moderate intensity," says Jordan Metzl, MD, author of Dr. Jordan Metzl’s Workout Prescription. If you can’t spare the full 10 minutes, you can sweat for even less time: According to a 2013 study from Colorado State University, exercising for just 2 ½ minutes at a high intensity (think running or biking sprints) can help you burn 200 more calories over the rest of the day.


This question is on so many minds: how can I lose belly fat...and fast? While there's no magic formula of food and exercise to reduce belly fat with the snap of your fingers, there are nutrition choices, exercises and lifestyle changes that can help. Here's your guide to understanding exactly what belly fat is and how you might be able to reduce it over time.
If you eat a carbohydrate-rich meal (lots of pasta, rice, bread, or French fries, for example), your body releases insulin to help with the influx of all this glucose into your blood. As well as regulating blood sugar levels, insulin does two things: It prevents your fat cells from releasing fat for the body to burn as fuel (because its priority is to burn off the glucose) and it creates more fat cells for storing everything that your body can’t burn off. The result is that you gain weight and your body now requires more fuel to burn, so you eat more. Since insulin only burns carbohydrates, you crave carbs and so begins a vicious cycle of consuming carbs and gaining weight. To lose weight, the reasoning goes, you need to break this cycle by reducing carbs.

‘Do it for a couple of minutes in bed and you’ll actually be able to wind down and fall asleep more easily. But it’s a skill, so it requires a commitment to practice it, as with anything. Think of it a bit like dating – the first time you do it it’s terrible, it’s uncomfortable, nobody knows what they’re doing, but the more dates you go on the better it gets.


REALITY: Fat doesn’t make you fat—consuming too many calories does. Foods that contain fat are part of a healthy diet, help maintain your lean body mass, and assist with metabolic function. Healthy fats, like omega-3 fatty acids, can be found in extra-virgin olive oil, coconut oil, almonds, avocados, cashews, peanuts, walnuts, flaxseeds, and more. If you want to lose fat, you need to eat fewer calories and/or burn more calories.
Even if you do meet your goal, it's nearly impossible to keep off the weight over the long term: "The amount of restriction required [to maintain that number] will make you so hungry that you’ll eat everything in sight—it’s survival instinct," Dr. Seltzer says. And since calorie restriction gradually slows your metabolism, your body will be less prepared to burn the foods you binge on, he adds. That could mean gaining more pounds than you lost in the first place.

Do this: Most guys who are fairly active and exercise regularly burn about 18 calories per pound of bodyweight or more per day. On that basis, a 200-pounder would consume 3,600 calories daily. To start dropping body fat, reduce your calories to between 14-16 per pound of bodyweight per day on workout days, or 2,800-3,200 calories daily. On nonworkout days, drop to about 12 calories per pound per day (2,400 calories for the guy who's 200lbs).
If you ate nothing but Twinkies or apples for a few months, you'd probably lose weight. You'd also lose muscle mass and gym performance—and threaten your overall health. Your goal is to build a healthy diet that gives you the right amount of macros (proteins, carbohydrates, and fats) that will sustain you over that time. Let's look at these macros one at a time.

Losing fat without also losing muscle is a bit more complicated than simply losing weight. Fat loss programs involve paying more attention to the types of foods you eat, rather than just focusing on reducing calories. They also includes different kinds of exercises that burn fat and preserve muscle at the same time, like weight-lifting and strength-training moves. This can sometimes lead to higher numbers on the scale, but the end result will be a smaller, more toned shape.
When you eat carby, sugary foods and snacks, you end up with the all-too-familiar sugar spikes and energy crashes. That’s all due to insulin, which skyrockets when you eat carbs. Insulin also tells the body to store calories as fat — and most people trying to lose weight aren’t looking for extra padding in the belly or thighs. Since dietary fat has less impact on insulin levels than carbohydrates or even protein does, you don’t have to worry about sugar crashes, cravings or storing rolls of body fat.
Drink as much Bulletproof Coffee as you like in the morning, subject to your caffeine tolerance. Do not eat anything else during the day – only about 500ml or less of Bulletproof Coffee. You can have another cup before 2:00 PM if you get hungry and the caffeine is not a problem. No coffee after 2:00 PM so you can sleep. Drink lots of water, always with a pinch of pink Himalayan salt in it (don’t waterboard yourself, just remember to stay hydrated). If you hate coffee or you’re caffeined out, you can use green tea. Or just eat some butter with pink Himalayan salt sprinkled on it. Just eat no protein and no carbs.
Doing crunches until the cows come home? Stop it! When you're down to your final inches of belly fat, the dreaded crunch won't be the exercise that finally reveals your six-pack. "You can't spot reduce," Jill says. Instead, she suggests doing functional exercises that use the muscles in your core—abdominals, back, pelvic, obliques—as well as other body parts. "These exercises use more muscles, so there is a higher rate of calorie burn while you are doing them," she says. Planks are her favorite functional exercise—they activate not just your core muscles but also your arm, leg, and butt muscles.
I agree with Karina - if I were to calculate my daily calorie requirements based on your figures above (I’m somewhere between an echo and meso) I’d get fat using the lowest figure. Your calculations take no account of age and activity level inside or outside of the gym. I prefer to use a TDEE calculator to calculate my daily calorie needs (there you can add age, activity level, current body fat levels if known etc, for a far more accurate figure), and would suggest anyone looking to lose fat do the same and then come back to this article for information on macros etc.
Visceral fat, commonly known as belly fat, is the layer of fat below the muscles of your abdomen. Due to its crucial location surrounding many of your vital organs, belly fat supplies a constant source of energy but also exposes the body to harmful toxins and hormones. When you have too many fat cells or your fat cells get too large, they can overproduce toxins that increase your risk for chronic inflammation, diabetes, heart disease and cancer. This is why belly fat can be more dangerous than subcutaneous fat—or the outer layer of fat that you can pinch with your fingers. That said, the reason you're having trouble buttoning your pants may not be visceral fat: what we're calling "belly fat" these days could be bloating or water retention rather than a fat buildup. Read on for steps you can take to beat the bulge.
In general, a good weight-loss goal is to lose 0.5-1.0 percent of your body weight each week. If your weight-loss stalls, it's because your body has learned how to function on fewer daily calories. To reignite fat loss, reduce your current calorie intake by 15-20 percent. (In the example above, the person could consume 2,000 calories a day. To lose weight, they would have to reduce that by 300-400 calories a day.)
The major problem with this excess fat is that the fat cells, called adipocytes, do not function normally. They store energy at an abnormally high rate and release energy at an abnormally slow rate. What’s more, these extra and enlarged fat cells produce abnormal amounts of different hormones. These hormones increase inflammation, slow down metabolism, and contribute to disease. This complicated pathological process of excess fat and dysfunction is called adiposopathy, and it makes the treatment of obesity very difficult.
3. Twist: One foot placed slightly in front of the other with body facing the corner. This should resemble the movement of wringing a towel while taking knees further “inward” and opening body in the opposite direction. Start with knees bent and straighten with the twist by lifting the hip and leading it to the opposite corner.10 reps each side, then 10 again (total of 20, alternating after 10)
Loretta Barna (My Honey) and I (Brian Lane) began the partners challenge apart for prep week and for week one. Loretta came home (after 10 1/2 weeks of being apart 😃) in time for week 2. We were both doing well at this point in time. By week 3 we were on vacation in California for my sister's 60th Birthday. We had good intentions of working out, but with all the family around it just did not happen. We did do our best in trying to watch what we ate and still posted our macros. So by the time we got back home, we were into week 4 and 11 days absent of exercise. Back at it until the middle of week 5. At this point we had made Loretta's flight plans to go back home to Ohio to be with her mom who is in a nursing home. So knowing I had limited time left to spend with her I made the decision to sleep in with her next to me. I think I worked out once in that week and a half. I believe Loretta worked out a few times while I was at work in that week and a half. But knowing that she had been in 3 different time zones within 3 weeks she was tired. Not making excuses for her, just telling you how she was feeling. Loretta went home yesterday (July 8th). 

I started this journey because I was missing something. I've worked out for years, ran half marathons and tried all kids of programs to help me lose weight and keep it off. I wanted life long, optimal health. Amanda's program has given me that missing piece. IF has been wonderful and when i started I was skeptical. Not only have i reached a weight i haven't been in 27 years, i have lost 6" overall in just 6 weeks. I've gained strength, increased my speed on my runs and have gained confidence in myself and how to fuel my body for my activity levels. Getting macros is so important and even more important that I have personal integrity in what i put in my mouth and how i take care of the only body i will ever have. So #grateful for this life style FasterWaytoFatLoss!
Another thing that messes with circadian rhythms? The blue light of digital devices. “We have seen increasing scientific evidence that the more you use devices, the higher your risk of obesity,” says Gillespie. The reason is twofold: One, the more time you spend in front of a screen, the less time you’re running around and playing. But also, experts believe, the blue light these devices emit can disrupt your internal clock. One study found that using a blue light-emitting device before bed delayed the release of melatonin, a hormone responsible for sleep, and the effect carried over to the following night as well.
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