New study says wine is good for heart after all—but should we drink more? How alcohol increases aggression by raising pain thresholds; Removing plastic chemicals can boost IQ, avert deaths, and save the world’s economy billions; Uterine thickening may be a prelude to endometrial cancer—can it be reversed? NIH study of green tea suggests it can; A new diagnosis of Sjögren’s syndrome has a caller spooked; Is the Internet making us dumber? Vitamin D in pregnancy gives kids stronger bones, but strikes out for diabetes prevention in healthy seniors; Dietary—but not supplemental—vitamin C curbs metabolic syndrome.