The number one best show prevention for Alzheimer’s, (where you lose your memory when you get old and go senile) is using your mind creatively.
This does NOT mean worry. You must create things.
Art, crossword puzzles, figuring things out, building things, create things.
Use your imagination and your mind will grow and stay young and healthy for life.
So pick something right now, that you are going to work at creating every single week.
And that “thing” can change from week to week. Pick one right now and start doing something to create weekly.