Diets rich in vitamin C and E may delay the onset of memory-robbing Alzheimer's disease.
Compounds called free radicals that are released during normal cell processes can be harmful to body tissues, leading to so-called oxidative damage or stress. Experts have linked oxidative stress to several illnesses, including cancer, heart disease and Alzheimer's disease.
Since antioxidants -- including vitamins C and E -- can neutralize free radicals, some experts believe these nutrients could help delay the onset of Alzheimer's disease.
One set of researchers found that those with the highest intake of vitamin C and vitamin E from food appeared to be the least likely to develop Alzheimer's disease. Smokers who consumed the most beta-carotene and flavanoids -- two types of antioxidant nutrients -- also appeared to cut their Alzheimer's risk..
Other researchers found that those with the highest dietary intake of vitamin E had the lowest risk of developing Alzheimer's disease. But people who carried a gene known to increase Alzheimer's risk did not see any benefit from vitamin E consumption.
Neither of the studies showed any reduction in the risk of developing Alzheimer's among people who took dietary supplements like daily vitamin pills that contained antioxidants. A benefit only appeared when the nutrients were consumed in food.
An accompanying editorial suggests that perhaps some other component of food slows progression of Alzheimer's disease.
JAMA June 26, 2002;287:3223-3237, 3261-3263
Alzheimer's, the most common form of dementia, is one of the most costly disorders among the elderly. It is a terrible and devastating disease which causes loss of brain function. The number of sufferers in the United States is expected to grow from 4 million to 14 million over the next half century. These numbers are staggering, especially because it is so difficult to treat.
I find it interesting that this study, designed to bring greater awareness to the problem, was funded by a drug company. While I am sure they want to promote their drug-based solution, anyone who has read this newsletter before is familiar with the concept that it does very little good to address chronic health problems with drugs or surgical solutions.
Fortunately, with Alzheimer's, we do have some options.
The key to treating Alzheimer's is to make sure you never get it. So, just how do you prevent Alzheimer's?
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