Intelligent Medicine Radio for October 17, Part 2: Possible Causes of Hip Pain

Humans are hardwired for generosity—but brain rewards are greater for voluntary philanthropy than paying our tax bills; Apple cider vinegar—are benefits real? Loneliness may steal 6 years of good health—but is it inevitable for introverts? Neanderthals may have used birch “glue” for wound healing; The many possible causes of hip pain; Popular pain remedy may yield scant benefits, hike risk of adverse side effects; Solutions for travelers’ constipation.