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Asked by anon-290045 on 25 Mar 2021.
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anon answered on 25 Mar 2021:
Hi,
So the main reason drugs effect our brain is because they interfere and scramble with the chemistry of the brain by mimicking naturally occurring neurotransmitters. This in turn effect how the neurons work – from how they send and receive information as well as the signals to released certain neurotransmitters. These processes together effect how we think, feel and act ‘a little crazy’.
Different drugs have different effects and magnitude that can effect behaviour in lots of really strange ways. From being really sedated to hallucinating and everything in between!
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Alex Baxendale answered on 25 Mar 2021:
Hello!
The brain works by using chemicals that create electricity, this electricity travels through neurons (the special cells the brain uses to do things), where it then releases a type of chemical called a neurotransmitter (you may have heard of dopamine or serotonin before) which are used to get across different types of messages depending on where in the brain you are! Our bodies are designed to stop most chemicals from getting in to the brain which would give you negative results, but we have managed to find some that have super tiny particles that can get in to the brain when we eat/smoke/whatever them.
So, because our brains rely on lots of different chemical reactions, which make more chemical reactions, that result in our thoughts, feelings, and how we see the world, when we take drugs they can mess with those chemicals we use and create the weird effects you are talking about! -
Dennis Relojo-Howell answered on 25 Mar 2021:
Mind-altering drugs may slow down or speed up autonomic functions necessary for living, for example heart rate, blood pressure, respiration, etc. There are also research which suggests that genetic predispositions can affect people’s response to drugs; for example, the occurrence of depression in ecstasy abusers and schizophrenia in cannabis abusers.
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