1 rich Libsyn https://www.libsyn.com 90 600 It's the dark days of winter in the Northern Hemisphere in which the sun shines less and is lower in the sky. That means your body has less of a chance of making vitamin D, the sunshine vitamin. Vitamin D is an essential nutrient, meaning your body can't produce it on its own. In this episode, we discuss what vitamin D is and what it does in your body, how you can get vitamin D and how using sunscreen affects how much you have, and what vitamin D defficiency means to your health. Select references cited in this podcast: Effect of Vitamin D3 Supplements on Development of Advanced Cancer: https://jamanetwork.com/journals/jamanetworkopen/fullarticle/2773074 The Role of Water-Soluble Viatmins and Vitamin D in Prevention and Treatment of Depression and Seasonal Affective Disorder in Adults: https://www.mdpi.com/2072-6643/16/12/1902 Supplemental Vitamin D and Incident Fractures in Midlife and Older Adults: https://www.nejm.org/doi/full/10.1056/NEJMoa2202106 &amp;nbsp; &amp;nbsp; How to Health https://sites.libsyn.com/416129 <iframe title="Libsyn Player" style="border: none" src="//html5-player.libsyn.com/embed/episode/id/39798530/height/90/theme/custom/thumbnail/yes/direction/forward/render-playlist/no/custom-color/88AA3C/" height="90" width="600" scrolling="no" allowfullscreen webkitallowfullscreen mozallowfullscreen oallowfullscreen msallowfullscreen></iframe> https://assets.libsyn.com/secure/item/39798530