A Bay Area biotech company is behind a potentially groundbreaking blood test that promises to be a game-changer in cancer ...

Created by Guardant Health, the blood test, known as Shield, was able to detect 83% of colorectal cancers in studies but only 13% of dangerous polyps. Colonoscopies find approximately 95% of these ...

The A/G ratio measures the total amount of protein in your body by comparing the amount of albumin and globulin. Your healthcare provider may recommend this test as part of a routine protein test ...

A new study may finally change how amyotrophic lateral sclerosis (ALS) is diagnosed. Scientists from UCLA Health and the ...

Lindsay Modglin is a nurse and professional writer who regularly writes about complex medical topics, as well as travel and the great outdoors. She holds a professional certificate in scientific ...

Blood tests are a critical diagnostic tool for establishing a health baseline in pets, not just for detecting disease. The Complete Blood Count (CBC) assesses red cells, white cells, and platelets to ...

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 ...

When Mara Varona was pregnant she decided to take a common prenatal blood test to screen for genetic conditions. It was part of a proactive approach she and her husband took to pregnancy. "We're just ...