serotonin
BrE /səˈrəʊtənɪn/ AmE /səˈroʊtəˌniːn/
noun en → es
a chemical substance that is produced in the brain and helps to control feelings of happiness, well-being, and mood
serotonina
Collocations levels of serotonin · low levels of serotonin
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Low levels of serotonin are linked to depression.
Niveles bajos de serotonina están vinculados a la depresión.