New warning over side effects of weight loss drugs; “Keto” LMNT electrolyte drink found to contain undisclosed amounts of unwanted additive maltodextrin; Vitamin D linked to improved Hodgkin’s lymphoma survival; Do we really need collagen supplements when the body already makes it? How laughter therapy alleviates dry eye syndrome; Difference in blood pressure readings between arms—could it signal danger? Majority of seniors treated in federal health centers show cognitive impairment; Statins vs. natural therapy for cardiovascular prevention.