Biological methods of stress management

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The difference between biological and psychological is that biological refers to processes in the body whereas psychological refers to processes in the mind. 

There are two types of drug therapies:

1. Benzodiazepines (BZs)

2. Beta-blockers (BBs)


This is the most common drug used to treat stress and anxiety and they slow down the central nervous system (CNS) activity

  • GABA is a neurotransmitter responsible for natural anxiety relief in the body
  • 40% of neurones in the brain respond to GABA
  • when released, the neurones in the brain relax
  • it does this by reacting with GABA receptors which then opens a channel increasing the flow of chloride ions into the neuron
  • chloride ions make it harder for the neuron to be stimulated by other neurotransmitters, thus slowing down its activity and making the person feel more relaxed
  • BZs enhance the action of GABA
  • BZs also reduce the serotonin activity in the brain as this is the neurotransmitter which causes the arousal, this also reduces anxiety.

Summary of BZs 

BZs slow down the CNS

- BZs increase GABA             = LESS STRESS!

- BZs decrease serotonin

Beta-blockers (BBs)

          activates          …


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