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Did you know?

The first-known contraceptive was crocodile dung, used in Egypt in 2000 BC. Condoms were also reportedly used, made of animal bladders or intestines.

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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.

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Blood in the urine can be a sign of a kidney stone, glomerulonephritis, or other kidney problems.

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Pubic lice (crabs) are usually spread through sexual contact. You cannot catch them by using a public toilet.

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Automated pill dispensing systems have alarms to alert patients when the correct dosing time has arrived. Most systems work with many varieties of medications, so patients who are taking a variety of drugs can still be in control of their dose regimen.

The general pattern of progression of an untreated HIV infection The general pattern of progression of an untreated HIV infection
A microsatellite locus can show linkage to a disease gene A microsatellite locus can show linkage to a disease gene
Erythema infectiosum, Fifth disease Erythema infectiosum, Fifth disease
Jaundice. Photograph of an individual with liver disease, evidenced by the yellowing of the sclera o Jaundice. Photograph of an individual with liver disease, evidenced by the yellowing of the sclera o
Diphtheria. The bacteria that cause this disease, called Corynebacterium diphtheriae, proliferate in Diphtheria. The bacteria that cause this disease, called Corynebacterium diphtheriae, proliferate in
The proportion of obese and extremely obese adults in the United States has increased over the past The proportion of obese and extremely obese adults in the United States has increased over the past
Video: Optic Nerve and Optic Disk Animation (Part 2 of 2)

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