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Increased intake of vitamin D has been shown to reduce fractures up to 25% in older people.
The human body's pharmacokinetics are quite varied. Our hair holds onto drugs longer than our urine, blood, or saliva. For example, alcohol can be detected in the hair for up to 90 days after it was consumed. The same is true for marijuana, cocaine, ecstasy, heroin, methamphetamine, and nicotine.
Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.
In the United States, there is a birth every 8 seconds, according to the U.S. Census Bureau's Population Clock.
In inpatient settings, adverse drug events account for an estimated one in three of all hospital adverse events. They affect approximately 2 million hospital stays every year, and prolong hospital stays by between one and five days.