First Sip January 31, 2020 4:42 pm First Sip: Is There a Link Between Stress and Grey Hair, Blueberries' Healing Power On today’s First Sip, we have all you need to know about how stress causes grey hairs, blueberries healing wounds and the first recreational pot shop in Boston. US & World Videos 14:31 @Issue extra: Seth Moulton on pro-Palestinian protests, TikTok and more 1:17 Patriots player visits Franciscan Children's Hospital 5:54 Pro-Palestinian protest taking over college campuses 2:47 AI pharmacist? Brigham testing new tech to assist docs, pharmacists 3:56 Five things you need to know about buying a home