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Too much sugar not good

Sentinel Digital DeskBy : Sentinel Digital Desk

  |  21 Jan 2016 12:00 AM GMT

London, Jan 20: Over-consumption of sugar during adolescence may alter the brain’s reward circuits — leading to substance abuse or eating disorders, warns a new study.

The researchers found that this decrease in reward relates to reduced activity in one of the key hubs of the brain’s reward circuitry, called the nucleus accumbens.

“In spite of the dramatic increase in the consumption of sweet palatable foods during adolescence in our modern societies, the long-term consequences of such exposure on brain reward processing remain poorly understood,” said senior author Martine Cador, director of The French tiol Centre for Scientific Research in the European Jourl of Neuroscience.

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. (IANS)

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