Prostate-specific antigen (PSA)

FoundationalTrack in Cellar· every few years

What it measures

A protein from the prostate gland, measured in the blood.

Why it's discussed for longevity

Commonly discussed for prostate cancer screening as an individual decision, typically raised around age 45 to 50 depending on personal risk. Guidance emphasizes weighing benefits and harms.

Source: American Cancer Society

Related tests in this area

Prostate-specific antigen (PSA): what it measures and why it's discussed for longevity · Cellar