Research has shown that smoking leads not only to cancer, but also to a decrease in the thickness of the cerebral cortex. Such damage can significantly affect mental abilities, as it is this part of the brain that, among other things, is responsible for thinking.
7. Lack of physical exercises
The brain, as well as the muscles, needs regular training. One study has shown that physical exercises have a beneficial effect on the synthesis of BDNF, responsible for the long-term memory.