A new study suggests that a popular diet protocol may be far less effective at helping people lose weight than general hype suggests.

Losing weight too fast can lead to muscle loss and impact your immune system, health experts say. Cozy home upgrades, winter style essentials, iconic beauty products: We got the scoop on what to stock ...

The diet has been linked to weight loss, longer life span and even a lower risk of cancer — in mice. What about humans?