Who knew that Himalayan yak butter tea served up to a seriously overweight man would be the beginning of a revolutionary weight-loss diet? Folks started to take notice of the diet that came from that ...

Add Yahoo as a preferred source to see more of our stories on Google. Photo credit: Arx0nt - Getty Images "Hearst Magazines and Yahoo may earn commission or revenue on some items through the links ...

Is the key to weight loss butter and coffee? Touting that regimen is the Bulletproof Diet, which claims the reason you’re fat, cranky, constantly sick and energy-sapped is because of what you put in ...

If you've ever struggled to keep your fat intake in check, good news: The latest buzzworthy diet says it's thequality of fat you eat, not the quantity. And in fact, more fat is good, even saturated ...

The entrepreneur believes that biohacking can rocket your body and mind to peak performance. His Bulletproof diet zoomed into the mainstream, his Bullet-proof coffee has everyone quaffing butter, and ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through the links below." A little bit of a back story: "The founder was looking to lose weight himself, and created his own ...