A rare physiological case study shows how aerobic capacity, muscle adaptation, and oxygen use can remain remarkably intact well into the eighties.

If our bodies are machines and food is fuel, it is safe to say that elite performance requires high-octane nutrition. As the Winter Olympics continue in Italy, the world watches as top athletes ...

Ever notice how going for a run on an 80-degree day feels scorching in the spring but comfortable at the end of August? New research shows that the reason for this is that we gradually lose our ...

Millions thrive at high altitudes due to remarkable genetic adaptations. Tibetans, for instance, possess a gene variant allowing efficient oxygen use without dangerously thick blood. Andeans and ...

Gray's Anatomy (the book, not the TV show) was the first comprehensive attempt to map evolved human physiological adaptations — the organs of the human body. Imagine a similar effort to map human ...