(Downloadable video soundbites, b-roll and and script) Vitamin D is produced naturally in our bodies in response to sunshine. But daylight is getting short, and with winter coming, we wondered how much vitamin D do people really need? UW Medic
(Download video, script and still images) In medical parlance, a stroke whose origin is unknown is called "cryptogenic." It's the type of stroke that Val Stewart sustained at age 36. She describes the experience and Dr.
(Downloadable video soundbites and b-roll) The smoke-filled air that has enveloped Seattle for several days makes breathing especially difficult for people with asthma and other lung conditions, says UW Medicine pulmonologist Joshua Benditt.