Word: ifs
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Dates: during 2000-2009
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Well, all of that is about to change. I vow to make 2010 much more interesting, even if I have to lie about it on Facebook. Get ready for a year full of adventure and mayhem, with updates such as:
"For me, this kind of closes the book on whether or not, if you start taking ginkgo later in life, you are going to have cognitive benefit," says DeKosky, vice dean of the School of Medicine. "We don't have good evidence that it maintains good brain health."
The study is the largest and, with a mean follow-up of six years, also the longest to investigate the effects of ginkgo on the brain. An earlier analysis, also led by DeKosky, reported in 2008 that ginkgo supplements do not prevent the development of dementia or Alzheimer's disease...
Scientists had thought ginkgo extract might work as an anti-inflammatory agent to keep brain connections healthy and promote steady flow of nutrients to neurons. They also thought ginkgo, a strong antioxidant, helped inhibit oxidative damage to brain neurons caused by free radicals found in pollutants or made as a...
DeKosky admits that the study has its limitations - the subjects were more than 70 years old, and it's not clear whether ginkgo's effect on the brain may be more profound if introduced earlier. Then there is the question of exactly how ginkgo is acting on the body; if...