Should You Get a Multi-Cancer Early Detection Blood Test?
by Michael Melgar, MD on May 22nd, 2026
A new generation of blood tests promises to detect dozens of cancers with a single tube of blood. Tests such as Galleri and Cancerguard are part of a rapidly growing field called multi-cancer early detection (MCED) testing. The idea is appealing: find cancer earlier, treat it sooner, and save lives.But as with many exciting medical advances, the reality is more complicated than the marketing.MCED ... Read More