Alcohol causes chronic depression of the nervous system. Products of incomplete oxidation of ethyl alcohol enter the brain and disrupt the activity of neurons, up to their death. Irreversible processes occur in the body that change the personality, lead to the development of dementia. Alcohol that has entered the body is not excreted immediately, but after a few days. Therefore, people who drink even low-alcohol drinks daily almost do not get out of the state of chronic poisoning.
Remember: The process of learning a person lasts a lifetime. The value of the same knowledge for different people may be different, it is determined by their individual characteristics and needs. Therefore, knowledge is always needed at any age and position.