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

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Signs and symptoms of a drug overdose include losing consciousness, fever or sweating, breathing problems, abnormal pulse, and changes in skin color.

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In ancient Rome, many of the richer people in the population had lead-induced gout. The reason for this is unclear. Lead poisoning has also been linked to madness.

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Ether was used widely for surgeries but became less popular because of its flammability and its tendency to cause vomiting. In England, it was quickly replaced by chloroform, but this agent caused many deaths and lost popularity.

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Limit intake of red meat and dairy products made with whole milk. Choose skim milk, low-fat or fat-free dairy products. Limit fried food. Use healthy oils when cooking.

Prescribed burn in Pukaskwa National Park. Prescribed burn in Pukaskwa National Park.
Elk at the Opal terrace at Mammoth Hot Springs, Yellowstone National Park Elk at the Opal terrace at Mammoth Hot Springs, Yellowstone National Park
Chimpanzees in nearby Mahale National Park practice a different grooming style: they clasp hands whi Chimpanzees in nearby Mahale National Park practice a different grooming style: they clasp hands whi
A Platypus swimming in Broken River, Eungella National Park, Queensland, Australia. A Platypus swimming in Broken River, Eungella National Park, Queensland, Australia.
Video: Exocytosis - secretion

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