A new cure for infants with Bubble Boy's Disease. Then, a study in the American Journal of Public Health shows that depression, suicide, drug use, and alcohol abuse are rising for people in their late 30s. And finally, does smiling make you happier?
Scientists have discovered that older research animals can seemingly be made young again with infusions of young blood which reactivate stem cells. Researchers have started to isolate factors in plasma that appear to be responsible, opening the door to possibly rolling back the clock on aging. Experts explain.