Longevity
NMN and NAD+: Do 'Anti-Aging' Supplements Work?
What NAD+ is and why it declines with age, what the studies of NMN and NR supplements actually showed, and whether they are worth paying for in the name of longevity.
3 min read
#aging
3 articles
Longevity
The Horvath Clock: What It Is and What the Test Can Tell You
The 2013 epigenetic clock that reads your age from 353 methylation sites — how it works, why it was a landmark, and why buying a Horvath clock test still tells you very little about yourself.
8 min read
Longevity
Biological Age Tests: What They Measure, Are They Worth It
Epigenetic clocks are a genuine scientific advance, but consumer tests have a reliability problem: rerunning the same sample can shift the answer by years.
17 min read