deathmtn

A lot of your molecules change when you’re (on average) 44.

Compared with younger participants, people in their 40s and 60s displayed biological differences that appeared to be linked to muscle weakness and loss, declines in heart health and inefficient caffeine metabolism.

Sampling caveat:

But the latest study’s findings are not ironclad; it sampled a relatively small number of people, all living in California’s Palo Alto area.