When it comes to weight loss, celeb trainer and New York Times bestselling author Harley Pasternak, MSc, has a catchphrase: "Strong in the gym, lean in life." The Fitbit ambassador, nutrition scientist, and personal coach to the likes of Amy Schumer, Kim Kardashian, and Rihanna has told POPSUGAR on numerous occasions that the best way to lose weight is easier than you think: just walk more. Here, Harley makes his compelling case and shares a simple, month-long plan to get you started.
The prevailing formula for a long time on how much fat you’re going to burn was calories in minus calories out, based on your basal metabolic rate (BMR) and exercise efforts, explains strength and performance specialist Joel Seedman, Ph.D., owner of Advanced Human Performance in Atlanta. But with all the different biochemical reactions in the body, hormonal response, and endocrine function, there are an infinite number of factors that can affect how your body is storing and breaking down calories.