Seasonal Affective Disorder (SAD)

Dr. Alan Trites on The Best Vitamin D

Hello! I'm Dr. Trites with Doctors Optimum, and today I’m going to talk about Vitamin D. So what is Vitamin D? It's actually really not a vitamin at all. It's a fat-soluble…

By: Doctor's Optimum
How Do Laxatives Work?

[♪♩INTRO] Everybody poops. It’s one of those facts of life. The average person does it anywhere between three times a week and three times a day -- so by the time you’re an adult, you’re…

By: SciShow