Not everyone overeats and becomes overweight, and not everyone who becomes overweight or obese develops illnesses like diabetes or heart disease. 

There was never a special diet, exercise regimen, or supplement that worked universally to control weight. Through trial and error, we have to discover habits and routines we can stick with that help us eat less and move more. 

• A caloric deficit leads us to unknowingly compensate by eating more.
• For some, crash dieting can permanently slow their metabolic rate, leading to longer calorie retention.
• Bodies don’t burn more body fat while on a high-fat and low-carb ketogenic diet, compared to a higher-carb diet.
• Many underestimate their calorie intake and blame genetics.
• “Slow metabolism” isn’t a major cause of obesity, and no product will speed your metabolism up in a way that will lead to substantial slimming.
• Lean muscle and fat tissue in the body, age, and genetics, among others, influence the metabolic rate.
• Women tend to burn fewer calories than men.

• A diet that universally leads to healthy weight loss.
• Why two people with the same size and body composition have different metabolic rates.
• Why some ethnic groups — African Americans, South Asians — have a higher risk of developing metabolic disorders like diabetes.
• How the brain knows what the body weighs
• The mechanism that controls our metabolic rate.