Monday, January 26, 2009

Recent studies

Eating fewer calories may lead to better memory, a new study says.
Caloric restriction improves memory in elderly humans. Studies with animals have shown memory improvement but this study, published in The Proceedings of the National Academy of Sciences, appears to be the first to link calorie-restricted diets with improved memory in people.

Researchers are always looking for the benefits or harms of drinking coffee but it may be that drinking coffee may be better than we thought. A new study suggests a possible link to mental health later in life. Swedish and Danish researchers tracked coffee consumption in a group of 1,409 middle-age men and women for an average of 21 years. During that time, 61 participants developed dementia, 48 with Alzheimer’s disease. This is a significant decrease in dementia amongst coffee drinkers, so enjoy

Finally, a large body of research suggests that berries may be among the most potent cancer-fighting fruits. In several studies, researchers at Ohio State University discovered that black raspberries inhibit the development of oral, esophageal and colon cancers in rats. Other studies on humans have also suggested a benefit from eating berries. Now a large body of research suggests that berries may be among the most potent cancer-fighting fruits.
In numerous laboratory studies, researchers at Ohio State University have found that black raspberries inhibit the development of oral, esophageal and colon cancers in rats. Some human studies have also suggested a benefit from berry consumption. In one small study published in Novemeber's Cancer Prevention Research journal, researchers found that if patients with familial adenomatous polyposis, a genetic condition that raises risk for colon cancer, were given black raspberry extract had up to 59 percent fewer rectal polyps than those taking a placebo. Another study showed black raspberry powder reduced symptoms for patients with Barrett’s esophagus, a precancerous condition.


The main berries being researched include black and red raspberries, blackberries, strawberries and elderberries. Although blueberries have numerous health benefits, they don’t appear to have the same cancer-fighting properties as other berries, researchers say. The main berries being researched include black and red raspberries, blackberries, strawberries and elderberries. Although blueberries have numerous health benefits, they don’t appear to have the same cancer-fighting properties as other berries, researchers say.

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