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Effects of Drugs (The ways drugs can affect the nervous system (A drug can…

- - - - 1) Nicotine
        Increases the amount of dopamine released into a synapse. Constricts blood vessels, raising blood pressure and causing the heart to work harder.
      - 2) Caffeine
        
        Works by binding to adenosine receptors on neurons in the brain
        
        Temporarily raises epinephrine (adrenaline) levels in the body.
  - - - 1) Alcohol
        
        Effect at least four different neurotransmitters.
        
        Direct Effects: Relaxation, impaired judgement, coordination and sense of time.
        
        Long term effects: Reduction in brain mass, liver damage, stomach/intestinal ulcers.
      - 2) Inhalants
        
        Chemical fumes that have an influence on the nervous system
        
        Effects:
        Intoxication, nausea, vomiting, memory loss, hearing loss, vision problems, peripheral nerve damage, brain damage and finally, death.
      - 3) Illegal Drugs
        Examples: amphetamine and cocaine
        increase dopamine secretion and preventing reabsorption of amphetamine in the synapse and synaptic cleft
        Cocaine: disturbance in heart rhythm, heart attack, chest pain, respiratory failure, stroke, seizures, headaches, abdominal pain, and nausea.
        Amphetamine: raid heart rate, increased blood pressure, stroke, elevated body temperature or hyperthermia, and convulsions.