Your friend who runs seven miles a day is likely not burning any more energy than you are doing chores around the house. How the hell is this possible?

If Diet-Induced Thermogenisis is in fact a variable we can control through a choice on whether/how to distribute our calories across the day, it could be the example of magic metabolism claimed in so many fitness tip listicles.

Starvation Mode is the not-so-accurate term for your body’s reaction to extreme caloric deficits. What price do you pay for rapid weight loss?