Janet Allen is running, lifting weights and living the active life she thought she’d never see again. Here’s how she lost ...

The TODAY weatherman and 3rd Hour of TODAY co-host, 70, appears on the cover of People's Spring Health issue this month.

Billionaire Elon Musk credited it for his dramatic weight loss. Celebrity sites allege that many more A-listers are using it to stay trim. And TikTok is full of influencers showing off their ...