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 ...

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 ...

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

Why Iron Matters for Performance Oxygen Transport and Energy Production Iron is a key component of hemoglobin and myoglobin, ...

Oatmeal is more than just a breakfast food; it's a metabolic tool. By strategically integrating steel-cut or rolled oats into ...

Q I’ve been an endurance athlete my whole adult life. After having COVID-19, I’ve gone from running marathons at an 8-minute ...