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 ...

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 ...

At-home cancer test kits help detect and screen for cancers in their early, more treatable stage, sometimes before a person shows any symptoms. Share on Pinterest Cancer is the second leading cause of ...