More from Later
Welcome to Later — a newsletter about Longevity
The first issue of Later, Felix Longevity's monthly newsletter. A note from our editor on what to expect: a few interesting stories from the longevity world, updates to your program, and the occasional detour.
The peptide boom, brain gains—and what’s real
Peptides are everywhere right now. We sort the ones with real trial data behind them from the ones riding a wave of gym-forum enthusiasm, and look at what the brain-training research actually supports.
The blue zone blues: a longevity paradise lost
The Blue Zones built a decade of longevity advice on five places where people supposedly live longest. Then researchers went back and checked the birth records. What survives the audit is smaller, and more useful, than the legend.
More test = more life? Not necessarily
Full-body scans, 100-marker blood panels, continuous glucose monitors. More testing feels like more control, but past a point it mostly buys you anxiety and follow-up appointments. Here is where the line sits.
Creatine’s Second Act, Boring, Cheap, and Quietly Winning
Creatine spent twenty years as a bodybuilding supplement. Now it is one of the most-studied compounds in longevity research, with data on muscle, bone and cognition — and it still costs about a dollar a week.