Alcohol poisoning is an outcome of alcohol’s neurotoxin effect.

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Neurotoxin is any substance that has a detrimental effect on your nervous system. A neurotoxin can cause nerve damage, neuron dysfunction or neurotransmitter disruption. And whether something causes you a nerve problem depends largely on the amount.

Many neurotoxins are found naturally in plants and animals. For instance, aesculin found in the horse chestnut and California buckeye tree is a neurotoxin.

Some neurtoxins are designed to defend against predators or capturing prey. Neurotoxins can be present in the flesh of some fish and shellfish, or in the venom of some:
bees
snakes
spiders
octopus
mussels
pufferfish
scorpions

The usual effect of venom is paralysis.

Neurotoxins can be produced by certain bacteria, such as:
tetanus toxin
botulinum toxin

Chemicals can also cause nerve damage, neuron dysfunction or neurotransmitter disruption, like:
lead
mercury
heavy metal
carbon monoxide

One of the most common neurotoxins is alcohol. Yep, that liquid many intentionally consume. It causes improper function of your brain neurons resulting in signs of intoxication. Alcohol poisoning is an outcome of alcohol’s neurotoxin effect.

Neurotoxins are also being use therapeutically, as is the case of botulinum toxin for dystonia, spasticity, blepharospasm, strabismus, and other neurological disorders. And botox injections for cosmetic purposes.