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The brain of the average adult weighs about 3 pounds; approximately 60 percent of that is fat, and the remaining 40 percent is a combination of water, protein, carbohydrates, and salts.

PITTSBURGH, Pennsylvania, USA, 3 June 2025 – In a comprehensive Genomic Press research article, scientists have uncovered remarkable insights into how the earliest brain connections shape infant ...

Within the brain, dopamine is synthesized from an amino acid called tyrosine. Dopamine is produced in three parts of the brain: the substantia nigra, the ventral tegmental area, and the hypothalamus.