Colonoscopy

Foundational· every few years

What it measures

An exam of the lining of the colon that can also remove growths.

Why it's discussed for longevity

Commonly discussed for colorectal cancer screening, often starting around age 45.

Screening ages and stool-test alternatives vary by country.

Source: U.S. Preventive Services Task Force

Related tests in this area

Colonoscopy: what it measures and why it's discussed for longevity · Cellar