Although initially thought to be due to an excessive amount of a particular neurotransmitter, mania has been found to be due to low levels of which neurotransmitter? norepinephrine serotonin dopamine acetylcholine

Serotonin

Explanation:

The level of serotonin has been found to be in excessive amount but now there is low levels of serotonin in the blood of the person.

The shortage of this neurotransmitter in the body causes depressed mood, low level of energy, loss of sleep and many more.

This low level of serotonin in the body also causes a medical condition known as depression and anxiety.

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