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Did you know?

Certain chemicals, after ingestion, can be converted by the body into cyanide. Most of these chemicals have been removed from the market, but some old nail polish remover, solvents, and plastics manufacturing solutions can contain these substances.

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The familiar sounds of your heart are made by the heart's valves as they open and close.

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The newest statin drug, rosuvastatin, has been called a superstatin because it appears to reduce LDL cholesterol to a greater degree than the other approved statin drugs.

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Thyroid conditions may make getting pregnant impossible.

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Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.

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