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Page: << Prev | 1 | 2 | 3 | Next >> The new study involved five years of data on 50,000 U.S. veterans aged 55 and older who had a diagnosis of Alzheimer's. A control group included almost 200,000 veterans without an Alzheimer's diagnosis.
Overall, people who used NSAIDs long-term were at a lower risk of developing Alzheimer's -- about 25 percent lower. But the benefit was more pronounced with specific drugs.
The risk of developing Alzheimer's decreased the longer a person used ibuprofen, with those using the drug for five years more than 40 percent less likely to develop this dementia.
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"It's not clear what the mechanisms are," Vlad said. It may have to do with reducing inflammation in the brain, reducing a component of the plaques which are a hallmark of Alzheimer's, or some as-yet unidentified process, he added.
"A clinical trial of ibuprofen for the prevention of Alzheimer's disease would be reasonable to get the risks and benefits," Vlad said. "There's also going to be ongoing research into developing drugs like ibuprofen without the toxicities."
A second study in the same issue of the journal, by U.S. researchers involved with the Cardiovascular Health Cognition Study, found that people with shorter limbs may have a higher risk of developing dementia.
Among women, greater knee height (measured from the sole of the foot to the front of the thigh) and arm span (the distance between fingertips) were linked with a decreased risk of dementia (16 percent decreased risk per 1-inch increase for knee height, and a 7 percent decrease per 1-inch increase in arm span).
Overall, women with the shortest arm spans were 1.5 times more likely to develop dementia, including Alzheimer's, compared with women who had longer arm spans, the study said.
Among men, only arm span was associated with a lower risk of dementia: a 6 percent decreased risk for every one-inch increase.
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