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Did you know?
Your heart beats over 36 million times a year.
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Blood is approximately twice as thick as water because of the cells and other components found in it.
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Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.
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Many of the drugs used by neuroscientists are derived from toxic plants and venomous animals (such as snakes, spiders, snails, and puffer fish).
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Children with strabismus (crossed eyes) can be treated. They are not able to outgrow this condition on their own, but with help, it can be more easily corrected at a younger age. It is important for infants to have eye examinations as early as possible in their development and then another at age 2 years.