20 Everyday Activities That Keep Memory and Thinking Sharp

Does your doctor have a stroke protocol for these activities to keep your memory and cognition sharp? If not does your doctor want you dumb and forgetful so you don't remember how little help they provided in your recovery?
http://www.spring.org.uk/2015/04/20-everyday-activities-that-keep-memory-and-thinking-sharp.php?
A couple selected paragraphs;
However, those who had participated regularly in arts, crafts, socialising or computer use were less likely to develop MCI.
The activities which appeared to have the strongest protective effect were artistic.
People who engaged in artistic activities in middle and old age were 73% less likely to develop memory and thinking problems.
For crafts the reduction in the chance was 45%, for socialising it was 55% and for computer use it was 53%.