Why is losing muscle mass a concern during weight loss?
Losing muscle mass is a primary concern because it reduces resting metabolic rate and insulin sensitivity, making it harder to maintain weight loss in the long run. A slower rate of fat loss that preserves muscle is categorically better than a faster rate that leads to both fat and muscle loss.
✦
This is one answer. The complete system — the psychology, the biology, and the method — is in the book.
Read The Willpower Lie →Found an error? Let me know →