Ask unlimited questions for free
There are more sensory neurons in the tongue than in any other part of the body.
In the United States, an estimated 50 million unnecessary antibiotics are prescribed for viral respiratory infections.
People with high total cholesterol have about two times the risk for heart disease as people with ideal levels.
Essential fatty acids have been shown to be effective against ulcers, asthma, dental cavities, and skin disorders such as acne.
The first documented use of surgical anesthesia in the United States was in Connecticut in 1844.
For a complete list of videos, visit our video library