I gave lots of blood for 6 longevity tests — here’s how long I can expect to live

Famed biohacker Bryan Johnson and his Blueprint team devised this measure of harmful plastic particles in your blood.
Health on MSN

Erythrocyte sedimentation rate (ESR): Interpreting high and low results

Medically reviewed by David Ozeri, MD An ESR test can help detect inflammation in your body by measuring how quickly red ...
CNET

6 Blood Tests That Can Tell You How Your Body Is Functioning

Dr. Omar Al-Heeti is an assistant professor of medicine at Southern Illinois University and practices internal medicine with a specialty in infectious diseases. He received his medical degree from the ...
CNET

I Got a Cortisol Blood Test. What I Learned About My Stress Was Important, but Not Fun

Though my cortisol test results stressed me out, I'm glad I know more about how cortisol affects my health. Anna Gragert (she/her/hers) was previously the lifestyle editor at HelloGiggles, deputy ...
Healthline

CCP Antibody Test: What Is It?

Doctors may order a cyclic citrullinated peptide (CCP) antibody test and other exams to confirm or rule out a rheumatoid arthritis (RA) diagnosis. A positive CCP antibody test doesn’t necessarily mean ...
Healthline

How Do Doctors Test for Gallbladder Problems?

Doctors can test for gallbladder issues using a combination of physical exams, blood tests, and imaging studies. Several issues can affect the gallbladder, including gallstones, inflammation, or ...