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Flashcards in Addiction Deck (2)
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1
Q

What are the main neurotransmitters involved in the biology of addiction?

A
  • GABA - inhibitory neurotransmitter, calming pathways
    • Alcohol, benzodiazepines, barbiturates, solvents act via GABAergic mechanisms
    • Opioids also induce opioid release indirectly via decreasing GABAergic inhibition
  • Dopamine - reward pathways, processes that control movement, emotional response, pleasure/pain pathways
    • Opioids induce dopamine release via mu receptors. Amphetamines displace dopamine from nerve terminals
2
Q

What are the principles of harm minimisation in relation to substance misuse?

A
  • Drug use will continue to be part of society
    • Eradication is impossible
    • Continued eradication attempts may result in increased harm to society
    • Strategies
      • Supply reduction
      • Demand reduction - e.g. health promotion, providing alternatives, price controls
      • Harm reduction

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