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To prove that stomach ulcers were caused by bacteria and not by stress, a researcher consumed an entire laboratory beaker full of bacterial culture. After this, he did indeed develop stomach ulcers, and won the Nobel Prize for his discovery.
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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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Everyone has one nostril that is larger than the other.
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Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.
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In the United States, there is a birth every 8 seconds, according to the U.S. Census Bureau's Population Clock.