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On average, the stomach produces 2 L of hydrochloric acid per day.
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Increased intake of vitamin D has been shown to reduce fractures up to 25% in older people.
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Every 10 seconds, a person in the United States goes to the emergency room complaining of head pain. About 1.2 million visits are for acute migraine attacks.
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Of the estimated 2 million heroin users in the United States, 600,000–800,000 are considered hardcore addicts. Heroin addiction is considered to be one of the hardest addictions to recover from.
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Aspirin is the most widely used drug in the world. It has even been recognized as such by the Guinness Book of World Records.