Two new books break down how sugar is killing us—and who is to blame
South African physician Tim Noakes, one of the world’s greatest sports scientists, has been preaching an ultra-low-carb, high-fat diet as the key to fitness and health. His ideas have made him a bestselling guru, but now his critics are pushing back—and as Bill Gifford reports, they’re putting his theories on trial.
Our three-point proposal can keep you fit through the stuff-your-face months
New research suggests that not everyone should be eating the same foods. In fact, some athletes might benefit from these doughnuts.
The diet has quietly become the rage among ultra-endurance athletes and elite soldiers, and it's a surprisingly yummy way to fuel up.
How endurance athlete Patrick Sweeney puts away nearly 3,000 calories a day on the ketone diet
A new generation of natural protein powders build muscle and aid recovery the clean way
A growing number of scientists, athletes, and even a retired general believe that fasting leads to better health. Should you listen?
It's all about experience, eating slow, and going beyond the comfort food
Products to keep your core temperature down and your performance up