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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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Colchicine is a highly poisonous alkaloid originally extracted from a type of saffron plant that is used mainly to treat gout.

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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.

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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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Asthma occurs in one in 11 children and in one in 12 adults. African Americans and Latinos have a higher risk for developing asthma than other groups.

Flower part number is a characteristic difference between monocots and eudicots (a) Flowers and buds Flower part number is a characteristic difference between monocots and eudicots (a) Flowers and buds
Giardiasis. Colorized electron micrograph of a Giardia protozoan adhering to the surface of an epith Giardiasis. Colorized electron micrograph of a Giardia protozoan adhering to the surface of an epith
Does Intelligence Increase with Brain Size? Does Intelligence Increase with Brain Size?
“Career choice” for many women means leaving their paid jobs for a number of years when they ... “Career choice” for many women means leaving their paid jobs for a number of years when they ...
Mean scores for Erikson’s stage VI (Intimacy) for two cohorts. Scores for both cohorts increase ... Mean scores for Erikson’s stage VI (Intimacy) for two cohorts. Scores for both cohorts increase ...
Compression used to increase circulation when the athlete is clothed. Compression used to increase circulation when the athlete is clothed.
Video: Condensation and Hydrolysis Animation

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