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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 Romans did not use numerals to indicate fractions but instead used words to indicate parts of a whole.
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Long-term mental and physical effects from substance abuse include: paranoia, psychosis, immune deficiencies, and organ damage.
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A recent study has found that following a diet rich in berries may slow down the aging process of the brain. This diet apparently helps to keep dopamine levels much higher than are seen in normal individuals who do not eat berries as a regular part of their diet as they enter their later years.
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The Food and Drug Administration has approved Risperdal, an adult antipsychotic drug, for the symptomatic treatment of irritability in children and adolescents with autism. The approval is the first for the use of a drug to treat behaviors associated with autism in children. These behaviors are included under the general heading of irritability and include aggression, deliberate self-injury, and temper tantrums.
Dred Scott and his wife and children are featured on the cover of Frank Leslie’s Illustrated Newspap
Millionaire Wife
In middle childhood, children spend increasing amounts of time with peers and friends.
Men and women work the same number of hours a week, but men spend more time on paid work, and women ...
In Hindu marriages, the roles of husband and wife are firmly established. Neither this woman, whom I ...
A group of children were asked how many hours a day they spend watching television.