vaccine

(Newser) - Clinical depression may be treatable with bacteria, doctors at Bristol University posit. They got the idea when they observed lung cancer patients inoculated with harmless Mycobacterium vaccae who showed reduced symptoms and improved mental health. The brain produces serotonin as an immune response, the docs hypothesized, raising the low serotonin...

(Newser) - A cancer drug that's the first to harness the body's immune system to destroy tumors got a thumbs-up from  the FDA's advisory panel, the New York Times reports. If approved, Provenge, a prostate cancer treatment, would be the first of the "cancer vaccines"—experimental therapies that commandeer a...

(Newser) - Doctors now recommend that kids get a second dose of chickenpox vaccine, but a lot of wary parents are balking. A recent study concluded that the longer patients had gone since getting the first dose, the more likely they were to contract the pox, and the more likely that it...