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Did you know?

The eye muscles are the most active muscles in the whole body. The external muscles that move the eyes are the strongest muscles in the human body for the job they have to do. They are 100 times more powerful than they need to be.

Did you know?

Serum cholesterol testing in adults is recommended every 1 to 5 years. People with diabetes and a family history of high cholesterol should be tested even more frequently.

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?

Adult head lice are gray, about ? inch long, and often have a tiny dot on their backs. A female can lay between 50 and 150 eggs within the several weeks that she is alive. They feed on human blood.

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Signs of depression include feeling sad most of the time for 2 weeks or longer; loss of interest in things normally enjoyed; lack of energy; sleep and appetite disturbances; weight changes; feelings of hopelessness, helplessness, or worthlessness; an inability to make decisions; and thoughts of death and suicide.

Artist's rendition of the view from a hypothetical airless planet orbiting Alpha Centauri A Artist's rendition of the view from a hypothetical airless planet orbiting Alpha Centauri A
Superior view of heart valves illustrating position, size, and shape of each valve. Superior view of heart valves illustrating position, size, and shape of each valve.
External and cross-sectional view of an infarct caused by a myocardial infarction. External and cross-sectional view of an infarct caused by a myocardial infarction.
Apply deep effleurage to triceps. Position arm with elbow pointing upward to access the triceps ... Apply deep effleurage to triceps. Position arm with elbow pointing upward to access the triceps ...
Display of Canapés Display of Canapés
Telescopic View of the Lunar Surface Telescopic View of the Lunar Surface
Video: Parkinson's Disease

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