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Did you know?

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.

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Asthma is the most common chronic childhood disease in the world. Most children who develop asthma have symptoms before they are 5 years old.

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A strange skin disease referred to as Morgellons has occurred in the southern United States and in California. Symptoms include slowly healing sores, joint pain, persistent fatigue, and a sensation of things crawling through the skin. Another symptom is strange-looking, threadlike extrusions coming out of the skin.

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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.

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Approximately one in three babies in the United States is now delivered by cesarean section. The number of cesarean sections in the United States has risen 46% since 1996.

The vocal cords within the larynx, superior view from the pharynx. The vocal cords within the larynx, superior view from the pharynx.
The respiratory system. (a) Sagittal section of the head and neck, revealing the organs of the upper The respiratory system. (a) Sagittal section of the head and neck, revealing the organs of the upper
Cut section of a kidney. Cut section of a kidney.
Police officers take aim during the riots that swept through the Watts section of Los Angeles in ... Police officers take aim during the riots that swept through the Watts section of Los Angeles in ...
A cross section of a typical wax-actuated thermostat showing the position of the wax pellet and ... A cross section of a typical wax-actuated thermostat showing the position of the wax pellet and ...
A transmission electron micrograph of cytokinesis in a cross section of a dividing cell A transmission electron micrograph of cytokinesis in a cross section of a dividing cell
Video: Introduction to Spirometry

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