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What do alcohol and illicit drugs do to the brain
Whether its alcohol, nicotine, prescription painkillers, heroin, or cocaine addictive substances change the brain in fundamental ways. All of these substances act on "reward pathways" in brain, releasing a rush of neurochemicals to produce a euphoric high. With continued use, underlying brain circuits physically change. In people at risk, this drives a destructive cycle of compulsive drug craving and usage aimed at recreating high. (Some people are more susceptible to this cycle than others, for complex reasons.) An addict may become so focused on "drug-seeking" that everything else in life is secondary. Without treatment, quitting is difficult or impossible.
Subsequently many such fossils were known from France, Italy and middle East. All such fossils exhibited reduced brow ridges, steep forehead, high rounded cranial vault, short face
what are the biotechnology techniques used in the fisheries?
Photosynthesis - Responses of Plants to Stress Photosynthesis is also inhibited due to low water potential in the leaves. The leaf water potential is the sum of turgor pressur
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Define Drug effects on Metabolism of dietary components? Drugs can also compete with, or inhibit, the metabolic conversion of some micronutrients to their active metabolites,
Explain about Osseointegration Osseointegration is regarded as the process of direct bone apposition on implant surfaces where the bone in contact with the implant later underg
During which meiosis division does ploidy reduction occur? Does ploidy reduction occur in mitosis? In the cell division by meiosis ploidy reduction occurs in meiosis II. Initia
Embryonic Induction and Cell Determination The cell determination or fate of embryonic cells is regulated through factors which may reside within the embryonic cells or by the
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