The nucleus accumbens plays a central role in the reward circuit. Its operation is based chiefly on two essential neurotransmitters: dopamine, which promotes desire, and serotonin, whose effects include satisfaction and insecurity.

The new study in rats may provide significant insights into the long-term impacts of over-consumption of sugary foods during adolescence.

The study shows that the enjoyment of such foods later in adulthood is reduced in those who over consumed early in life.

Such long-lasting alterations could have important implications for reward-related disorders such as substance abuse or eating disorders.

 

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