Did you know?
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.
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People about to have surgery must tell their health care providers about all supplements they take.
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On average, someone in the United States has a stroke about every 40 seconds. This is about 795,000 people per year.
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There are major differences in the metabolism of morphine and the illegal drug heroin. Morphine mostly produces its CNS effects through m-receptors, and at k- and d-receptors. Heroin has a slight affinity for opiate receptors. Most of its actions are due to metabolism to active metabolites (6-acetylmorphine, morphine, and morphine-6-glucuronide).
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The top five reasons that children stay home from school are as follows: colds, stomach flu (gastroenteritis), ear infection (otitis media), pink eye (conjunctivitis), and sore throat.
Evolutionary change in the tetrapod lineage, showing a transitional form.
Two modes of evolutionary change.
Does Intelligence Increase with Brain Size?
The Impact of Climate Change in the world
Neutral Technological Change
Suppose the market supply curve is p = 5Q. If price increases from 10 to 15, the change in ...