Reader questions about aging and longevity
The biology of aging, biological age and aging well.
2 answers about aging, each one with its study. Updated November 5, 2026.
- How many medications is too many?New this month
It depends. Our notes do not give a magic number. What matters is why each medicine was started and whether one was added to treat a side effect…
- How can I live longer?New this month
It depends. No single habit is proven to add years. But moving your body, staying connected with people and eating more plants are all linked to more years…