I've seen a few articles on this topic lately. It turns out that knitting is good for reducing memory loss. Now that the boomers are reaching retirement age and longevity is increasing, this is an area that researchers are studying much more. Since my Father suffered from dementia it is of great concern to me personally. A spokeswoman for the Alzheimer's Society was quoted as saying "One million people will develop dementia in the next 10 years so there is a desperate need to find ways to prevent dementia." Exercising and challenging your brain - by learning new skills, doing puzzles such as crosswords, and even learning a new language - can be fun. In my case I've spent a lot of time in the past year upgrading my pattern writing skills so hopefully that will help my brain!
You can read the article here.