Apr 9, 2026
Researchers have quantified, for the first time at this resolution, that aging muscles bear nearly as much blame as the aging heart for the decline of VO2 max — and the fix may be simpler than you think.
Apr 8, 2026
A mathematical model applied to modern twin data shows that roughly half of your lifespan is inherited — up from the long-accepted estimate of 20 percent — reshaping the conversation about what we can and cannot control.