Are chemicals produced by the body, such as the brain, and can change moods and actions and even resemble some recreational drugs.

serotonin

Explanation:

Recreational drug are drugs taken for enjoyment, or leisure purposes, they are drugs taken to altered state of emotions for pleasure, by changing the feelings, and emotions

examples are Alcohol, cigarette and cocaine

Serotonin is a chemical  induced in the human body due to drugs taken. It help regulate emotions, feelings, appetite and digestion, sleep, and memory.

it would affect precipitation by causing flooding in some areas of the world due to climate increasing, causing the glaciers in the northern and southern pole of our planet to melt.

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