Thyroid conditions may make getting pregnant impossible.
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Not getting enough sleep can greatly weaken the immune system. Lack of sleep makes you more likely to catch a cold, or more difficult to fight off an infection.
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The calories found in one piece of cherry cheesecake could light a 60-watt light bulb for 1.5 hours.
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About 600,000 particles of skin are shed every hour by each human. If you live to age 70 years, you have shed 105 pounds of dead skin.
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Never take aspirin without food because it is likely to irritate your stomach. Never give aspirin to children under age 12. Overdoses of aspirin have the potential to cause deafness.
An engine in good mechanical condition should produce 17 to 21 inches Hg of vacuum at idle at sea ...
Right-hand Rule
How to use the product rule to find the derivative of a function