When you're rushing through a quick shower, you probably hit the usual hot spots: underarms, groin and face. Those are the areas your parents always made sure you washed growing up, after all. But ...

Dr. Jason Singh, a primary care doctor based in Virginia, is revealing the three body parts you're probably overlooking in the shower -- your belly button, feet and ears. Keep it clean! Dr. Jason ...

The curious minds at What If imagine never washing your feet for years, exploring the hygiene, health, and social consequences of extreme neglect.