On the heels of research presented at the American Heart Association conference, experts want you to take scary headlines with a grain of salt.

Endorsed by celebrities and chief executives, fasting is gaining popularity across the world as a “bio-hacking” health and weight-loss regimen. A systematic evaluation of 40 trials concluded that ...

Intermittent fasting has been sold as a metabolic reset button, a way to burn more fat and improve health simply by eating within a narrow window. New human data now undercuts that promise when ...