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Did you know?
About 3% of all pregnant women will give birth to twins, which is an increase in rate of nearly 60% since the early 1980s.
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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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Bacteria have flourished on the earth for over three billion years. They were the first life forms on the planet.
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Asthma attacks and symptoms usually get started by specific triggers (such as viruses, allergies, gases, and air particles). You should talk to your doctor about these triggers and find ways to avoid or get rid of them.
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The heart is located in the center of the chest, with part of it tipped slightly so that it taps against the left side of the chest.