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Author Question: Sleep is partially regulated by melatonin from the: a. Thalamus b. Hypothalamus c. Limbic ... (Read 35 times) |
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.
People with alcoholism are at a much greater risk of malnutrition than are other people and usually exhibit low levels of most vitamins (especially folic acid). This is because alcohol often takes the place of 50% of their daily intake of calories, with little nutritional value contained in it.
There are more bacteria in your mouth than there are people in the world.
Thyroid conditions may make getting pregnant impossible.
Aspirin is the most widely used drug in the world. It has even been recognized as such by the Guinness Book of World Records.