Dr.Claudia Kawas, a neurologist at the University of California, irvine, says, " we think, for example, that it's very important to use your brain, to keep challenging your mind, but all mental activities may not be equal. We are seeing some evidence that a social componant may be crusial".
Evidence suggest that people who spend long stretches of their days, 3 hours and more, engrossed in some mental activities may be at reduced risk of geveloping dementia. There are also hints that some genes may help people remain lucid even when brain show all the biological ravages of alzheimer's disease. this gene is called CETP, which appears to increase the size and amount of so-called good cholestrol particulars, but Dr. Barzilai says"We don't know how this could be protective, this gives us a target for future treatments".
Some reserchers argue that mental engagement may delay the arrival of symptoms of dementia. social connections, including interaction with friends, may br very important. In isolation, a healthy human mind can go blank and quickly become disoriented. dr. claudia kawas says " there is quite a bit of evidence now suggesting that the more people you have contact with, in your own home or outside, the better you do mentally and physically. Interacting with people regularly, even strangers, use easily as much brain power as doing puzzles, and it would'nt suprise me if this is what it's all about'. Dr. Claaudia's group has found that some people who are lucid until the end of a very long life have brains that appear riddled with Alzheimer's disease.
In old age it is better to live for the day, be less interested in the future or in the past. Be like a freshman, and learn new things or new memories to keep you going. Studies have found, this ability to form new memories keeps dimentia at bay.
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