Vaccines prevent between 2.5 and 4 million deaths every year.
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The most common treatment options for addiction include psychotherapy, support groups, and individual counseling.
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Liver spots have nothing whatsoever to do with the liver. They are a type of freckles commonly seen in older adults who have been out in the sun without sufficient sunscreen.
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During pregnancy, a woman is more likely to experience bleeding gums and nosebleeds caused by hormonal changes that increase blood flow to the mouth and nose.
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The senior population grows every year. Seniors older than 65 years of age now comprise more than 13% of the total population. However, women outlive men. In the 85-and-over age group, there are only 45 men to every 100 women.
Polaris system
Digestive System
Human Visual System
The Olfactory System
The digestive system.
The dorsal-column medial-lemniscus system. The pathways from only one side of the body are shown.