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Did you know?

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.

Did you know?

Hypertension is a silent killer because it is deadly and has no significant early symptoms. The danger from hypertension is the extra load on the heart, which can lead to hypertensive heart disease and kidney damage. This occurs without any major symptoms until the high blood pressure becomes extreme. Regular blood pressure checks are an important method of catching hypertension before it can kill you.

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More than nineteen million Americans carry the factor V gene that causes blood clots, pulmonary embolism, and heart disease.

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Not getting enough sleep can greatly weaken the immune system. Lack of sleep makes you more likely to catch a cold, or more difficult to fight off an infection.

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Although puberty usually occurs in the early teenage years, the world's youngest parents were two Chinese children who had their first baby when they were 8 and 9 years of age.

black and white face black and white face
Spiral Galaxies (Nearly Face-on Views) Spiral Galaxies (Nearly Face-on Views)
The Taung Child, the first of the australopithecines to be discovered, is the type specimen for Aust The Taung Child, the first of the australopithecines to be discovered, is the type specimen for Aust
In the box on upward social mobility on page 82, we discussed how Latinos face a similar situation. ... In the box on upward social mobility on page 82, we discussed how Latinos face a similar situation. ...
Standard Precautions for the Care of all Patients in All Health Care Settings Standard Precautions for the Care of all Patients in All Health Care Settings
Formation of the Early Earth Formation of the Early Earth
Video: How do the different types of chromatography work? (No Audio)

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