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Did you know?

According to the American College of Allergy, Asthma & Immunology, more than 50 million Americans have some kind of food allergy. Food allergies affect between 4 and 6% of children, and 4% of adults, according to the CDC. The most common food allergies include shellfish, peanuts, walnuts, fish, eggs, milk, and soy.

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Congestive heart failure is a serious disorder that carries a reduced life expectancy. Heart failure is usually a chronic illness, and it may worsen with infection or other physical stressors.

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Oliver Wendell Holmes is credited with introducing the words "anesthesia" and "anesthetic" into the English language in 1846.

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Malaria mortality rates are falling. Increased malaria prevention and control measures have greatly improved these rates. Since 2000, malaria mortality rates have fallen globally by 60% among all age groups, and by 65% among children under age 5.

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The U.S. Preventive Services Task Force recommends that all women age 65 years of age or older should be screened with bone densitometry.

The metanephridial filtration system of annelids. The metanephridial filtration system of annelids.
Lymphatic vessels (green) pick up excess tissue fluid, purify it in lymph nodes, and return it to th Lymphatic vessels (green) pick up excess tissue fluid, purify it in lymph nodes, and return it to th
external structure of female reproductive system external structure of female reproductive system
Pathways of the Visual System in the Brain Pathways of the Visual System in the Brain
Typical wiring diagram of a V-6 distributorless (direct fire) ignition system. Typical wiring diagram of a V-6 distributorless (direct fire) ignition system.
Most Americans obtain their drinking water from a community water system Most Americans obtain their drinking water from a community water system
Video: Olfaction. or the sense of smell

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