Three important neurotransmitters belonging to the same amino group are called monoamines, norepinephrine (norepinephrine), dopamine and serotonin. Like acetylcholine, norepinephrine was discovered long ago, because it

Of all the neurotransmitters, acetylcholine was one of the first to be discovered, possibly because it is located in the most convenient neurons for studying,

There are many ways in which drugs can interfere with impulse transmission. Suppose that the chemical structure of a drug is very similar to the structure

At the ends of the axon are small thickenings – nerve endings. In them lies the answer to the question of how electrical impulses are transmitted

The simplest components of the nervous system are cells called neurons. They are in many ways similar to other cells of the human body, such as

Any of our feelings or emotions – in essence, any psychological sensation – is based on brain activity. The fact that the brain, this physical entity,

Abuse of a chemical leading to a worsening condition or disease requiring clinical treatment, as evidenced by one or more of the following symptoms: Periodic

Focusing on what exactly can be called harmful use of drugs or use associated with harmful effects for a person taking drugs, or for other