Ask unlimited questions for free
Green tea is able to stop the scent of garlic or onion from causing bad breath.
Thyroid conditions cause a higher risk of fibromyalgia and chronic fatigue syndrome.
There are more nerve cells in one human brain than there are stars in the Milky Way.
There are more sensory neurons in the tongue than in any other part of the body.
If all the neurons in the human body were lined up, they would stretch more than 600 miles.
For a complete list of videos, visit our video library