Their makers claim they can detect dozens of cancer types — but some scientists say they could be missing many cancers or delivering the wrong diagnosis.

Add Yahoo as a preferred source to see more of our stories on Google. Grail's Galleri test screens for more than 50 different types of cancer from a single blood draw. (Getty Images) (Getty Images) If ...

Another challenge facing test designers is that early detection may not necessarily save lives. A crucial factor, and something that is still unknown about the new multi-cancer tests, is whether they ...

A closely watched clinical trial in Britain that screened blood for early detection of cancer did not show a reduction in diagnoses at later stages of the disease.

A blood test measuring inflammation is now being used by cardiologists to predict heart problems, alongside traditional cholesterol tests.

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 ...

The FDA announced Friday that it had approved the first at-home test for sexually transmitted infections, opening the pathway for more to come.

Cologuard is a colon cancer screening test you can do at home. It’s a noninvasive, stool-based test that comes in a kit. You use the kit to collect a stool sample. Then you send the sample to a lab ...

A phlegmy cough and shortness of breath are possible warning signs of chronic obstructive pulmonary disease (COPD). Keeping track of your symptoms and knowing your risk factors can help you test ...

It is not possible to test for a cerebrospinal fluid (CSF) leak at home. However, knowing the possible symptoms of a CSF leak can help a person know when to seek emergency help to receive a diagnosis ...

As the world’s population ages, health experts are bracing for higher rates of age-related diseases, including Alzheimer’s. Finding new ways to diagnose the condition is more of a priority than ever, ...

Jennifer Wirth is a professional writer and SEO specialist with a focus on health, wellness, parenting and beauty. She holds a bachelor’s degree in chemical engineering and is passionate about ...