NEUR30004 Lecture Notes - Lecture 20: View Camera, Peer Pressure, Partial Agonist
11 Aug 2018
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Drug use if prevalent: alcohol and tobacco use (ons, uk), more 13-year olds have drunk alcohol than no, that is 350000 23-year-old drinkers in england and wales alone. Illicit drug use (aihw: cannabis: 34% aged 14+ have used in lifetime, opioids (including heroin), 2. 3%, or 384000 people, amphetamines: 9. 1% (or, 1 in 5 of those aged 20-29) Drugs of abuse all change how brain cells work: drugs of abuse come from a wide range of pharmacological classes, opiates act on opioid receptors which are depressants, caffeine, amphetamine these are stimulants. Irrespective of the pharmacological mechanism of action, acutely at least they all do the same thing. But a lot of people don"t notice the bad symptoms because the positive symptoms are usually much stronger than the subsequence negative aftermath (i. e. hangover) Drug taking associated with happiness and therefore repeated. But here as we see, there is a decrease in serotonin below the basal levels.
