Eating around the Clock

Illustration of intermittent fasting. Food seen around a limited number of hours of a clock.

How intermittent fasting and circadian rhythms impact health   Fact checked by Shannon Sparks   There’s a rhythm to life. The tides rise and fall, the Earth revolves around the sun, and you have a sleep-wake cycle. This cycle — known as circadian rhythm — has a big impact on metabolism. Research reveals that your sleep-wake […]

Can Intermittent Fasting Extend Life?

Intermittent fasting: image of wood table with fork and knife but no plate or food.

The Medicine Cabinet: Ask the Harvard Experts Q: I am considering intermittent fasting. While I definitely need to shed a few pounds, I am also intrigued by the possibility of it extending life. What are your thoughts? A: Intermittent fasting involves alternating intervals of extreme calorie reduction with periods of normal eating. Proponents suggest it […]