A vitamin B12 blood test is one way to know if you’re B12 deficient. Some people opt for a urine test instead. Learn when ...

As a rule, younger people need less vitamin D than older people, regardless of sex. This article explains average vitamin D ...

Your blood work can tell you a lot about your ... some older patients can benefit from getting a 25-hydroxy test to check their vitamin D levels. People who are over the age of 65, have ...

It’s common for doctors to recommend getting bloodwork following a medical appointment or routine check-up. Blood tests can identify deficiencies in vitamins or minerals, immune system problems ...

We’ll do an IgE test to figure out what’s causing those reactions.” When my doctor said those words, I nodded like I knew ...

Chase Carver at the Mayo Clinic in Rochester, Minnesota, and his colleagues went in search of molecules that could be used to track age-related senescence with a simple blood test. The team ...

This too can signal or cause health problems. A uric acid blood test is done to check the level of uric acid in your blood. Your doctor might also call it a serum uric acid test or serum urate (UA).

They’re non-invasive with none of the dreaded prep. But are recently approved home tests for colon cancer as effective as ...

The blood test that detects nicotine is called a cotinine test. It measures recent tobacco use and exposure. Cotinine is a chemical that comes from the breakdown of nicotine in the body.

Many moms-to-be opt for blood tests during pregnancy to check for fetal disorders such as Down syndrome. In rare instances, these tests can reveal something unexpected — hints of a hidden cancer ...