The plan promotes long-lasting, sustainable changes, and undoubtedly a bounty of research backs this up. In fact, one December 2013 study in the American Journal of Medicine shows that people following Weight Watchers were close to nine times more likely to lose 10 percent of their body weight, compared to people following a self-help diet plan. (20)
"When you're stressed out or tired, it's very easy to forget when your hand goes into the cookie jar," says Marisa Sherry, RD, a registered dietitian in private practice in New York City. "Are you being honest with yourself about taking just one handful here and there? When you have a cup, are you really having one cup? Most drinking glasses hold about three cups. By the end of the day, it all adds up."
This high-fat, adequate-protein, low-carb fad diet sends the body into a state of ketosis, in which the body uses stored fat for energy. Research published in Clinical Cardiology suggests the ketogenic, or “keto,” diet can be an effective weight loss method, but to be successful, you must follow the plan consistently with no cheat days — otherwise, you’re just eating a high-fat diet that may be high in unhealthy fats for no reason. (1) (A pro tip? If you're planning on doing the diet, consider perusing this complete keto food list and reading up on the healthiest fats for keto diet followers.)
Especially at the grocery store. A study in the journal Agricultural Economics found that people who read nutritional labels tend to be about eight pounds thinner, on average, than those who don’t. There’s also evidence that when menus include calorie counts next to food items, people tend to consume fewer calories overall. Learn 42 more ways to lose weight and burn fat fast.
Eating too little can be extremely dangerous for your body. According to Medical News Today, having a Body Mass Index (BMI) of under 18.5 can lead to malnutrition, osteoporosis, developmental problems, a weakened immune system, anemia, and chronic fatigue. Healthline reports that the average woman needs about 2000 calories per day to maintain her weight and about 1500 calories to lose one pound of weight per week, though you should consult with your healthcare provider to see what's best for you.
Make sure that the diet has been studied extensively for safety — and discuss any changes with your physician or registered dietitian before beginning a new diet. (If you don’t have a dietitian, find one in your area at the Academy of Nutrition and Dietetics website.) And do a self-check to ensure the diet fits with your own values and preferences.