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Sildenafil (Viagra®) has two actions that may be of consequence in patients with heart disease. It can lower the blood pressure, and it can interact with nitrates. It should never be used in patients who are taking nitrates.
The use of salicylates dates back 2,500 years to Hippocrates's recommendation of willow bark (from which a salicylate is derived) as an aid to the pains of childbirth. However, overdosage of salicylates can harm body fluids, electrolytes, the CNS, the GI tract, the ears, the lungs, the blood, the liver, and the kidneys and cause coma or death.
If all the neurons in the human body were lined up, they would stretch more than 600 miles.
The first oncogene was discovered in 1970 and was termed SRC (pronounced "SARK").
Malaria was not eliminated in the United States until 1951. The term eliminated means that no new cases arise in a country for 3 years.