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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).
Anti-aging claims should not ever be believed. There is no supplement, medication, or any other substance that has been proven to slow or stop the aging process.
Asthma cases in Americans are about 75% higher today than they were in 1980.
Blood in the urine can be a sign of a kidney stone, glomerulonephritis, or other kidney problems.
On average, someone in the United States has a stroke about every 40 seconds. This is about 795,000 people per year.