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John 14:23
8 hours ago
Tuesday, August 31, 2010
Monday, August 30, 2010
Monday Motivator
People become really quite remarkable when they start thinking that they can do things. When they believe in themselves they have the first secret of success.
Norman Vincent Peale
Thursday, August 26, 2010
Eating Berries May Help Aging Brain Stay Healthy - AOL Health
Eating Berries May Help Aging Brain Stay Healthy
Blueberries and strawberries may serve as a detox elixir for the brain and can help your aging mind stay sharp, new research shows. Scientists from the U.S. Department of Agriculture say they've discovered the first solid evidence that the popular fruits, along with acai berries and walnuts, essentially cleanse the brain, activating what's known as its "housekeeper" function and ridding it of toxic proteins. Those proteins are the culprits to blame for age-related memory loss and other mental deterioration. Study author Shibu Poulouse, who works for the USDA's Human Nutrition Research Center on Aging in Boston, said the body's ability to ward off inflammation and oxidative damage declines with age, which can lead to brain disorders, heart disease and cancer, among other degenerative conditions. "The good news is that natural compounds called polyphenolics found in fruits, vegetables and nuts have an antioxidant and anti-inflammatory effect that may protect against age-associated decline," Poulouse told a conference of the American Chemical Society. Poulouse and study co-author James Joseph, who died in June, looked at certain cells in the brain known as microglia -- which eliminate and recycle toxins that can cause the mind to malfunction. That detoxification is called autophagy. As people age, the cleaning cells stop working properly and the biochemical debris accumulates, according to Poulouse. The microglia can also become hyperactive and harm healthy brain cells. "Our research suggests that the polyphenolics in berries have a rescuing effect," said Poulouse, in a statement from the American Chemical Society. "They seem to restore the normal housekeeping function." The scientists used cultures of the brain cells of mice and saw that berry extracts blocked certain proteins from shutting down the autophagy process. But Dr. Douglas Husbands, a nutritionist with a practice in northern California, warned against giving the findings too much weight. "You can't make a generalization from that study," Husbands told AOL Health. "Where were the berries from? Were they organic, or did they contain pesticides? The devil is in the details." And experiments using extracts and animals, rather than actual fruits and humans, don't tell the whole story, he said. "You cannot extrapolate that the extracts are doing the same thing as all the molecules in the food would do," Husbands said. "You have to look at all the ingredients." The authors' prior research has shown antioxidants in fruits and nuts may prevent the decline in cognitive abilities that accompanies aging. In one study, old rats were fed antioxidant-rich strawberry, blackberry and blueberry extract for two months. The diet reversed the age-related degeneration of the rodents' nerve function and memory skills. More on Memory:
Eating a Handful of Pecans Daily May Protect Body, Brain
With Age Comes Wisdom: Midlife Brains Sharper Than Younger Minds
Tuesday, August 24, 2010
British Medical Journal: Green Leafy Vegetables Associated with a Lower Diabetes Risk
Green Leafy Vegetables associated with a Lower Diabetes RiskIncreased consumption of leafy green vegetables is associated with lower risk for developing type 2 diabetes, a BMJ meta-analysis finds.Researchers examined data from six prospective cohort studies that measured individual consumption of fruits and vegetables. The studies also assessed the development of diabetes over a median of 13 years. Intake of fruit or vegetables, either alone or combined, was not associated with lower risk. In the four studies that specifically measured the intake of leafy green vegetables, a 14% reduction in diabetes risk was apparent between the highest and lowest levels of consumption.The authors cite the antioxidant effects of beta-carotene, polyphenols, and vitamin C as possible mechanisms for this effect. Editorialists comment that dietary advice "may be just as beneficial, if not more so, than prescribing drugs" to patients at risk.BMJ article (Free)
Sunday, August 22, 2010
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