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Dopamine (DA, a contraction of 3,4-dihydroxyphenethylamine) is a neuromodulatory molecule that plays several important roles in cells. It is an organic chemical of the catecholamine and phenethylamine families. Dopamine constitutes about 80% of the catecholamine content in the brain. It is an amine synthesized by removing a carboxyl group from a molecule of its precursor chemical

This article is about dopamine, a type of neurotransmitter that plays a role in how we feel pleasure and helps us strive, focus, and find things interesting. It affects many parts of our behavior and physical functions such as learning, motivation, heart rate etc., but too much or too little can lead to health issues like。 See more

Dopamine is a type of neurotransmitter and hormone. It plays a role in many。

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Freon 22 is the most common type of freon used in homes. It is referred to by profesdaphaminesionals as R-22 refrigerant. Keep in mind that freon is for cooling appliances and is a propellant in aerosol cans. In addition, freon is a。

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