Elite athletes can push their bodies to the very limit, but even they can't surpass the boundaries of human nature, according ...

A boundary is emerging for the most seasoned endurance athletes. Beyond apparent performances and records, their bodies seem ...

Individual athletes ran an average of 4,000 miles over a year to help define the human body's limit for energy expenditure ...

Even the most elite endurance athletes can’t outrun biology. A new study finds that humans hit a metabolic ceiling at about 2.5 times their resting energy burn. When ultra-runners take on races that ...

Scientists tracked 14 elite endurance athletes for a year and found a metabolic ceiling: no one sustained more than 2.5× ...

When ultra-runners lace up for races that stretch hundreds of miles and days, they're not merely testing their mental grit ...

Nutrition plays an integral role in how athletes both look and feel. Discover the five most important micronutrients for you.

Scientists have long hypothesized about a theoretical limit to human energy use. The research, published today in Current ...

It” is a supplement called Nomio, a concentrated shot extracted from broccoli sprouts that has emerged as the hottest new ...

With autumn marathons approaching and training intensities peaking, endurance athletes face a critical challenge that extends far beyond physical conditioning. The difference between crossing the ...

Creatine is best known for building strength, but here's what most people don't realize – it's also one of the most underrated tools for supporting your brain.