The Science Behind Diets: Set Point Theory and Metabolic Flexibility

The video explores various diets, including low fat, purple, intermittent fasting, and keto. Yanti shares her experiences with crash diets and their effects. The video discusses why diets often fail, focusing on metabolism and rebound weight gain. It introduces metabolic flexibility and the set point theory, explaining how these concepts affect weight management.

Which diet involves eating foods that are purple in color?

• Low-fat diet

• Keto diet

• Intermittent fasting

• Purple diet

What is the main characteristic of the keto diet?

• Fasting for long periods

• High carbohydrate intake

• Eating only purple foods

• High fat, low carb intake

What is a common consequence of crash dieting?

• Permanent weight loss

• Improved mood

• Increased metabolism

• Rebound weight gain

What happens to metabolism after a crash diet when normal eating resumes?

• It stabilizes immediately

• It speeds up

• It becomes more flexible

• It remains suppressed

What is metabolic flexibility?

• The ability to lose weight quickly

• The ability to maintain a constant weight

• The ability to eat anything without gaining weight

• The ability to switch between burning carbohydrates and fats

Why do restrictive meal plans often fail?

• They are too easy to follow

• They increase calorie intake

• They can impede calorie burning

• They are too flexible

What does the set point theory suggest about body weight?

• It is determined by exercise habits

• It is a natural range the body tries to maintain

• It is fixed and cannot change

• It is entirely determined by diet