Слайд #4
Grow your brain
Try to spend more time for crossword puzzles , playing games to develop thinking , learn something new , such as a foreign language. Try to abandon elementary calculations on the calculator , and try to make the calculations in mind. In developing your brain to make it work , you thereby slow irreversible age degradation of mental abilities. Everything else, forcing the brain to work you activate the heart, blood circulation in the body and are contributing to better metabolism .