Headaches, depression, weight gain. remember, just sit straight and that helps a lot. muscle relaxation and yoga, as you talked about, is perfectly healthy. >> i will tweet out later how it goes. >> this sigmental bridge is something else that i have learned. >> there is something online called healthy back workouts, an app on your iphone. i think david's right, san diego may be the best. >> healthy. >> the doctors are continuing the conversation on live chat, answering your questions about today's topics. go to our web site. >> >> jamie: see you next week. >> eric: enjoy san diego, david. >> ...