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Aspirin is the most widely used drug in the world. It has even been recognized as such by the Guinness Book of World Records.
There are 60,000 miles of blood vessels in every adult human.
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).
Essential fatty acids have been shown to be effective against ulcers, asthma, dental cavities, and skin disorders such as acne.
After a vasectomy, it takes about 12 ejaculations to clear out sperm that were already beyond the blocked area.