Cancer Survivor, writing about Health and Fitness as you age

I know that without the stimulus of work (and indeed conversation without words more than 1 syllable), there is bound to be some brain atrophy. Perhaps worrying about it will provide the stimulus I need to keep the old brain ticking...but I don't think it's working. I recently asked a friend of mind if she felt she was getting more stupid staying at home. While she wouldn't admit to that, she did say that she definitely felt "more sluggish". She tried to do puzzles for example, to keep her brain nimble. I don't think that'll work for me though, I need something more industrial-strength for the mush I think my brain is becoming, and I don't think 1st grade homework counts. But, since I haven't actually ever seen anybody with their brain leaking out their ears, I am hopeful. My friend stayed home with her kids for 5 1/2 years before venturing back into the working world part-time. When I asked her if it was difficult, she said at first it was ...