A revolution in oncology could help the 18 million cancer survivors in the U.S. and bolster Guardant Health, Natera and Exact Sciences.

Kemi, a 17-year-old college student, started to experience heart palpitations, breathlessness and fatigue six months ago.

New York University researchers say a simple, gene-based blood test has shown to be highly accurate in predicting whether ...

A new study has concluded that a blood test can identify whether the body’s organs are aging faster than expected ...

The Los Angeles County Department of Public Health is offering free testing to help people check lead levels in their blood.

DNA fragments found in the bloodstream during treatment could mean that a patient’s cancer is getting worse, researchers said. These results indicate that this blood test is as good or better at ...

A new blood test identifies a key biomarker for Alzheimer’s disease, which may help make assessing the presence and stage of ...

Blood biomarkers like tau217, NfL, and GFAP may predict dementia up to 10 years early, but aren't yet reliable for widespread screening, a Karolinska Institutet study finds. A new study published in ...

Sometimes, they just put it off, said Dr. Antoine Pham, an internal medicine doctor with Thrive Medical. He has started ...

New cost-effective RNA blood test can test for Parkinson's and other neurodegenerative diseases long before symptoms emerge.

Alzheimer’s blood tests may one day allow patients and their doctors to track their individual progress in reducing risk, ...

Katherine Ryan has been left floored by the cost of a blood test after treatment for cancer.