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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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Normal urine is sterile. It contains fluids, salts, and waste products. It is free of bacteria, viruses, and fungi.

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The longest a person has survived after a heart transplant is 24 years.

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The horizontal fraction bar was introduced by the Arabs.

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Signs of depression include feeling sad most of the time for 2 weeks or longer; loss of interest in things normally enjoyed; lack of energy; sleep and appetite disturbances; weight changes; feelings of hopelessness, helplessness, or worthlessness; an inability to make decisions; and thoughts of death and suicide.

blood vessels blood vessels
Hormonal and nervous factors influencing blood pressure Hormonal and nervous factors influencing blood pressure
Homeless people sleeping on the streets is a common sight in India’s cities. I took this photo in ... Homeless people sleeping on the streets is a common sight in India’s cities. I took this photo in ...
Should School Meals Align with the Dietary Guidelines for Americans? Should School Meals Align with the Dietary Guidelines for Americans?
The hormone leptin is produced in fat cells, moves through the blood, and binds to receptors in the The hormone leptin is produced in fat cells, moves through the blood, and binds to receptors in the
Branching Blood Vessels Branching Blood Vessels
Video: First Stage of Labor and Delivery Video

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