More than 150,000 Americans killed by cardiovascular disease are younger than the age of 65 years.
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Certain rare plants containing cyanide include apricot pits and a type of potato called cassava. Fortunately, only chronic or massive ingestion of any of these plants can lead to serious poisoning.
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Pubic lice (crabs) are usually spread through sexual contact. You cannot catch them by using a public toilet.
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Acetaminophen (Tylenol) in overdose can seriously damage the liver. It should never be taken by people who use alcohol heavily; it can result in severe liver damage and even a condition requiring a liver transplant.
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Calcitonin is a naturally occurring hormone. In women who are at least 5 years beyond menopause, it slows bone loss and increases spinal bone density.
Structure of the DNA double helix
The nurse is using Standard Precautions to draw blood.
Molecular structure of phaeomelanin (A) and eumelanin (B)
Structure of photosystem II
Opener Crystal structure of a Thermus thermophilus