Penkios medžiagos, labiausiai žalojančios jūsų smegenis

2. Alcohol Although legal in the US and UK, alcohol was rated as the second most addictive substance by Nutt et al.’s experts (scoring 2.2 out of a maximum of 3). Alcohol has many effects on the brain, but in laboratory experiments on animals it increased dopamine levels in the brain’s reward system by 40-360% – and the more the animals drank the more dopamine levels increased. Some 22% of people who have taken a drink will develop dependence on alcohol at some point during their life. The WHO has estimated that 2 billion people used alcohol in 2002 and more than 3m people died in 2012 due to damage to the body caused by drinking. Alcohol has been ranked as the most damaging drug by other experts, too. ne iki galo isvertet pamirsot parasyt, kad ir kenksmingiausias yra..

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