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Author Question: One plate pulls away from another and new ocean rock is formed at the type of plate boundary called ... (Read 71 times) |
Medication errors are more common among seriously ill patients than with those with minor conditions.
In the United States, an estimated 50 million unnecessary antibiotics are prescribed for viral respiratory infections.
The immune system needs 9.5 hours of sleep in total darkness to recharge completely.
It is believed that the Incas used anesthesia. Evidence supports the theory that shamans chewed cocoa leaves and drilled holes into the heads of patients (letting evil spirits escape), spitting into the wounds they made. The mixture of cocaine, saliva, and resin numbed the site enough to allow hours of drilling.
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.