The majority of children vaccinated against hepatitis B are not at an increased risk of developing multiple sclerosis (MS), according to a study to be published in the October 8, 2008, online issue of Neurology®, the medical journal of the American Academy of Neurology.

For the first time, health officials are urging all kids going back to school to get a flu shot. It’s one of the changes being made after last year’s bad influenza season. The Food and Drug Administration has also reformulated the vaccine to better combat the virus. The vaccine was largely ineffective last year, blocking [...]

Researchers at Georgetown University Medical Center have discovered a new way to limit inflammation caused by the activation of microglia – key immune cells in the brain. Although the role of such cells is to "clean up damage" after injury, they often worsen the damage by releasing toxic inflammatory factors.

Lewy body dementia is a progressive brain disease and the second leading cause of degenerative dementia in the elderly. Dementia with Lewy bodies (DLB), which is the clinical name, accounts for up to 20 percent of all dementia cases, or 800,000 patients in the United States.

A process that governs embryo implantation in the womb in humans has been identified for the first time. The Oxford University research, published in the journal PNAS , could shed light on what goes wrong when embryos fail to implant in the lining of the womb, a leading cause of infertility.