The average adult has about 21 square feet of skin.
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Computer programs are available that crosscheck a new drug's possible trade name with all other trade names currently available. These programs detect dangerous similarities between names and alert the manufacturer of the drug.
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Your heart beats over 36 million times a year.
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Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.
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There are more nerve cells in one human brain than there are stars in the Milky Way.
A cheetah strangling an impala, Timbavati Game Reserve, South Africa
Rat Playing Flute
Role-Playing a Situation in Which a Patient Is Frightened, Angry, or Anxious
Working and Living and Playing in the City Dump of Phnom Penh, Cambodia