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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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After a vasectomy, it takes about 12 ejaculations to clear out sperm that were already beyond the blocked area.

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As many as 20% of Americans have been infected by the fungus known as Histoplasmosis. While most people are asymptomatic or only have slight symptoms, infection can progress to a rapid and potentially fatal superinfection.

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About one in five American adults and teenagers have had a genital herpes infection—and most of them don't know it. People with genital herpes have at least twice the risk of becoming infected with HIV if exposed to it than those people who do not have genital herpes.

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In 1835 it was discovered that a disease of silkworms known as muscardine could be transferred from one silkworm to another, and was caused by a fungus.

Cataract extraction. The procedure involves a surgical removal of a cataract lens and its replacemen Cataract extraction. The procedure involves a surgical removal of a cataract lens and its replacemen
Lumbar puncture. Abbreviated LP, the lumbar puncture is a common procedure that withdraws cerebrospi Lumbar puncture. Abbreviated LP, the lumbar puncture is a common procedure that withdraws cerebrospi
Say the colour, not the word Say the colour, not the word
The Learned Helplessness Procedure The Learned Helplessness Procedure
Macro-, Meso-, Micro-Levels of Society Macro-, Meso-, Micro-Levels of Society
Identification of the numbers in the Word Problem Identification of the numbers in the Word Problem
Video: Structures that affect circulation - kidneys, blood volume and venous tone

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