Scientists from the University of Pennsylvania found that people aged 18 to 25 years may be more prone to nicotine addiction than moderate people. Research Results published Behavioral Pharmacology (Behpharma) magazine.
The study was carried out on young and mature mice. Scientists exposed rodents nicotine and followed how metabolic indicators and brain functions have changed. Two -month mice reacted more acutely to a dose of nicotine in the same strength regarding body size.
All mice had a decrease in activity after receiving nicotine, but this effect was particularly evident in young individuals. According to researchers, these young animals show that a substance feels more powerful.
Nicotine also had a hypothermic effect on mice, ie reduced the temperature of their bodies. In both young mice and mid -skirt rodents, the same decrease in body temperature was observed, but the first temperature decreased faster.
According to the researchers, the physiological symptoms of the pharmacological effects of nicotine, which is a decrease in mobility and body temperature, indicate the activation of a holinergic system, one of the dominant systems of neurotransmitters in the brain and body. The activation of central N-Colinergic receptors during smoking increases the level of stimulation of neurons with a possible negative emotional reaction.
Scientists, despite the differences between mice and people, the results of the study of the results of the general biological and genetic foundations of nicotine on the effects of the human body revealed important information about the effects, he said. Due to the characteristics of the body, researchers have announced that the cholinergic system is more activated in young people, which increases the risk of nicotine addiction.
According to scientists, his work also shows that the use of tobacco products after adulthood is not protected against harmful effects.
Previously, scientists LearnedWhy don’t some people help drugs reject smoking?
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Source: Gazeta
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