diet

The Atkins diet, when that hit, everybody wanted to eat meat.

Sure, you can disrupt your gut bacteria with medications or a diet change.

The Pythagoreans, who followed the teachings of the Greek mathematician Pythagoras, embraced a vegetarian diet.

And similar strategies are being used all over the world to breed more resilient staples of the human diet, too.

It's billionaires taking 100s of supplements a day trying to stay immortal, or people doing crazy exercise regimens and eating bizarre diets.

In order to protect himself from hurt, young Dan had to build his character to withstand isolation and endure loneliness and a meagre emotional diet.