Dr. Christopher Kelly: A biomarker is a biological substance that can be objectively measured and tracked to provide ...

For fitness-minded folks, muscle testing can sound pretty intriguing. But it turns out that it has little to do with fitness...or even muscles. On a basic level, muscle testing looks at a muscle and ...

This article was reviewed by Darragh O’Carroll, MD. Understanding Blood Tests: How They Work and What They Can Tell You Blood ...

Hypertrophic cardiomyopathy (HCM) is a genetic heart condition that makes it hard for the heart to pump blood. Genetic testing is often recommended for family members of people with HCM. In this ...

When Devin Singh was a paediatric resident, he attended to a young child who had gone into cardiac arrest in the emergency department after a prolonged wait to see a doctor. “I remember doing CPR on ...

This article was reviewed by Felix Gussone, MD. If you’ve been feeling a bit more couch potato than go-getter lately, dragging through the day, snapping at people for no reason, or wondering where ...

SELLERSVILLE, Pennsylvania (WPVI) -- A nagging cough or congestion might not mean much to most of us. But it can be serious for those with lung conditions. Exercise testing can help specialists find ...

Cystic fibrosis is an inherited illness that can be screened for during pregnancy. The test determines whether you have any altered genes that you can pass on to your child. Having the information can ...