Dopamine secretion – Averaged data indicate that good food induces an increase in dopamine release by 50%, sex – 100%, alcohol – 200%, nicotine – 225%, and cocaine – 400%. Experience shows, however, that for some of us a good dinner with dessert is worth more than a shot of vodka, and others from the cigarette prefer a glass of wine. So it is with learning – individuals react to new information with more or less joy.
Strong psychoactive substance
Strong psychoactive substance – C12H22O11 – a powerful psychoactive substance. Just as cocaine, alcohol or nicotine to the extent stimulates the reward system in the brain that a person can become dependent. In this chemical formula, however, doesn’t hide any illegal drug. But the Sucrose – better known as sugar, which we all use every day in their homes.
According to a recent study conducted at the University of New South Wales in Australia, sugar – especially in the form of sugary drinks – a negative impact on memory (as well as chronic stress). Researchers observed two groups of rats: suffering from stress and emotionally stable. The latter for some time given sweetened drinks. We found that in the rat hippocampus consumed sugar (in the region of the brain responsible for memory) was broken to the same extent as in the stressed animals.
Especially be careful to feed children sweets. Already a few years ago, they saw US researchers, who served for a month rats sweet drinks. It turned out that sugar had no significant impact on the brain of older rats, and impair learning and memory ability in the young.