“Can doing mental exercises help your mind stay sharp in old age?”
Recent studies suggest that “reading books, writing and engaging in other similar brain-stimulating activities slows down cognitive decline in old age, independent of common age-related neurodegenerative diseases. In particular, people who participated in mentally stimulating activities over their lifetimes, both in young, middle and old age, had a slower rate of decline in memory and other mental capacities than those who did not.” Read more here (and now you definitely should be motivated to read more!)