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.

"No cancer signal detected." The blood test results popped up in my online health portal without much fanfare. A doctor would chat about them with me later, congratulating me on the "phew"-worthy ...

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 ...

New blood tests like CancerGuard and Gallery claim to detect microscopic cancer markers in the bloodstream and screen for more than 50 types of cancer before symptoms develop. Doctors say the tests, ...

Blood tests are helpful for monitoring your overall health. But research suggests they can also give us clues about the ...

Some of the most dangerous cancers are the types that are hard to detect. As a result, they are often caught too late to treat. Some emerging technologies could change that in the future, with simple ...

A complete blood count (CBC) is a common test to diagnose anemia by measuring red blood cell count, hemoglobin, and hematocrit levels. Iron deficiency is a common cause of anemia, and doctors may ...

The company behind the test said there were positive signs that some of the most aggressive cancers could be prevented.

Traditionally, blood typing requires forward typing, in which antibodies found in type A and type B blood are added to a blood sample to test for reactivity, followed by reverse typing, in which serum ...

Suchandrima Bhowmik has written over 300 articles on various health conditions, medical news, and recent breakthroughs. Her work appears in several publications, including Medical News Today, ...