Weight loss occurs when the body is expending more energy in work and metabolism than it is absorbing from food or other nutrients. It will then use stored reserves from fat or muscle, gradually leading to weight loss. For athletes seeking to improve performance or to meet required weight classification for participation in a sport, it is not uncommon to seek additional weight loss even if they are already at their ideal body weight. Others may be driven to lose weight to achieve an appearance they consider more attractive. However, being underweight is associated with health risks such as difficulty fighting off infection, osteoporosis, decreased muscle strength, trouble regulating body temperature and even increased risk of death.
While maintaining good habits during the day—eating well, exercising regularly—are crucial for weight loss, resting at night is just as important for keeping off the pounds. In a study published by Plos One journal last year, researchers found that people who skimped on sleep were more likely to have higher body mass indexes and larger waist circumferences than those who got adequate shut-eye.
Yes, athletes are constantly optimizing their training plans and race-day strategies, but you don’t need to go crazy if you’re just starting out. “When it comes to weight loss, moving and burning calories are what matters,” O’Connor says. “If you like sprints, which have a higher rate of calories burned per minute, then have at it; but if you prefer walking or slower jogging, you’ll just need to spend more time to burn those calories.”
A diet that’s low in fat and carbohydrates can improve artery function, according to a 2012 study by Johns Hopkins researchers. After six months, those on the low-carb diet had lost more weight, and at a faster pace. But in both groups, when weight was lost—and especially when belly fat shrank—the arteries were able to expand better, allowing blood to travel more freely. The study shows that you don’t have to cut out all dietary fat to shrink belly fat. For heart health, simply losing weight and exercising seems to be key.
Sure, calories and hormones can determine whether your body deposits food into muscle or as body fat, but meal frequency, or how many times you eat each day, affects your overall metabolism. Every time you eat, the body's calorie-burning engine, also known as metabolism, slightly increases. This is especially true for meals that contain protein. So if you eat six times a day, you'll experience six metabolic surges a day, rather than just four if you eat only four times a day. And, of course, eating seven or eight times per day would be even better than six. This is one way to lean out without having to drastically reduce calories. Frequent feedings tend to increase the chance that what you eat will make its way into muscle tissue rather than being packed away as body fat.
Nitric oxide is the compound that opens everything up, and, not surprisingly, it's one of the best fat-burning products on the market. NO supports "the pump" when taken before training, enhancing blood flow to muscles by allowing more blood to make its way to tissues, including muscles, which can help maximize hypertrophy and boost metabolism. This arginine-based supplement is also effective when taken before bed, when it can exert a profound surge in GH levels and support fat-burning.
Literally: According to a recent study published in the Nature journal Scientific Reports, cold temps may transform body fat from the typical white kind to brown fat, which actually helps you burn calories and burn fat fast. While more research needs to be done, taking your workout outside on a cold day or setting the thermostat slightly lower in the house could potentially help trigger the change at a cellular level.
Build more muscle: Cardio gets all the glory for melting fat, but it’s actually far more important to focus on building muscle. It’s pretty simple: Lipolysis happens in the mitochondria of the muscles, so the more muscle you have, the more mitochondria, and the more potential to burn. Plus, the more muscle mass you carry, the more your BMR is burning calories at rest. Strength training is also one of the strongest ways to spark production of testosterone and growth hormone, which both help to break down fat, Seedman adds.