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Did you know?
Blood is approximately twice as thick as water because of the cells and other components found in it.
Did you know?
The longest a person has survived after a heart transplant is 24 years.
Did you know?
There are more sensory neurons in the tongue than in any other part of the body.
Did you know?
Looking at the sun may not only cause headache and distort your vision temporarily, but it can also cause permanent eye damage. Any exposure to sunlight adds to the cumulative effects of ultraviolet (UV) radiation on your eyes. UV exposure has been linked to eye disorders such as macular degeneration, solar retinitis, and corneal dystrophies.
Did you know?
Illicit drug use costs the United States approximately $181 billion every year.