Study: The 3 Dirtiest Body Parts You Forget to Wash in the Shower

Researchers tested the "grandmother hypothesis" about cleaning behind the ears, in the belly button, and between the toes in the shower. Here's how to clean these easy-to-forget body parts properly, and why it's so important for skin and overall health.

Study: The 3 Dirtiest Body Parts You Forget to Wash in the Shower

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