The study here shows that people who smoke show far more rapid brain decline as they age compared to their non-smoking peers. MS is a disease, that among other things, attacks the brain already. In other words, if you have MS, it is incredibly unwise to smoke as the rate of cognitive decline of a disease of the brain combined with a habit that attacks the brain is likely to be frightening.
"Smoking speeds up cognitive decline in the elderly, according to a large, multi-center study published in the March 23 issue of Neurology, the scientific journal of the American Academy of Neurology. The rate of decline was found to be an average of five times higher per year in current smokers than those who never smoked...
Among those who never smoked (41 percent), the MMSE score declined .03 points per year. The score for current smokers (22 percent) declined .16 points per year, about five times more. Former smokers (37 percent) dropped .06 points per year."
Click "read more" for the full story...