A gene called GRIN2A that is present in about 25% of humans may help lower the risk of Parkinson’s disease in coffee drinkers, according to researchers. The same research may also help explain why some experimental drugs do not appear to be working. “Only people with this particular version of the gene are likely to be helped by an experimental class of drugs designed to mimic some of coffee’s benefits,” according to Haydeh Payami of the New York State Department of Health, who presented the findings at the recently concluded World Parkinson Congress in Glasgow, UK.
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A report published in the September 10 issue of the British Journal of Nutrition entitled Genoprotective effects of green tea (Camellia sinensis) in human subjects: results of a controlled supplementation trial indicate that green tea may protect DNA from damage associated with ageing. Researchers studied 18 healthy subjects who were given either two cups of green tea or two cups of water randomly every day over a four week period.
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A new study indicated that decaffeinated green tea can help breast cancer survivors improve metabolic biomarkers. The research, published in the August 27, 2010 edition of the Journal of Human Nutrition and Dietetics added that decaffeinated green tea may help patients lose weight and improve metabolic profiles including glucose, insulin and blood lipids. Recovering patients who drank decaffeinated green tea experienced a reduction in energy intake which helped them to lose weight while improving high-density lipoprotein (good cholesterol) levels.
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A new study suggests that drinking a cup of coffee or a cup of tea every day can help ward off brain cancer. The researchers studied 500,000 men and women over a period of eight years and compared cancer rates of those that regularly drank hot, caffeinated beverages, such as tea and coffee, against those that didn’t. They found that tea and coffee drinkers had a 34% lowered risk of developing brain cancer than non-drinkers.
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The American Journal of Clinical Nutrition published an article about the effects of excess coffee on pregnant women, noting that it may lead to smaller babies. The article stated that several studies in the past had linked caffeine consumption with babies of lower weight, although there had been no reports on whether it also contributes to miscarriages. One study followed 7,346 Dutch pregnant women who were regular coffee and/or tea drinkers and monitored the effects of coffee intake during their pregnancy via ultrasound and surveys observing their usual dosage at each trimester.
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There have been several reports recently that coffee has properties that help cut the risks of developing Parkinson’s disease, with a consensus revealing that drinking two to three cups of coffee a day could reduce the risk by almost 25% than if no coffee was consumed. The cause of Parkinson’s disease and how it works is still unknown by medical researchers, but the new findings offer hope for those who suffer from it.
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German researchers at Munich-based Ludwig-Maximilians-University have cause to believe that alcohol, smoking, and coffee are to blame for many of the headaches experienced by teens. The study surveyed a total of 1,260 students aged between 14-20, an discovered that an estimated 5%-15% of high school teens experience migraines, and 15% to 25% suffer from tension headaches
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Researchers have found that drinking coffee can help drinkers lower the risk of diabetes. The study, which tested the diabetes fighting effects of coffee on laboratory mice, was published in the Journal of Agricultural and Food Chemistry and it had. The researchers found that when compared with mice drinking water, mice that drank coffee saw high blood sugar content reduced and became more sensitive to insulin – both of which would otherwise have led to diabetes.
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A study conducted by the International Head and Neck Cancer Epidemiology group, a World Health Organization agency, found that drinking coffee (but not decaffeinated coffee) reduces the chance of developing head and neck cancers. Tea, unfortunately, does not have the same cancer-fighting properties as coffee, the study found. Researchers based their conclusions on a study of over 5,000 cases and 9,000 control cases.
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Researchers have found that drinking tea and coffee regularly significantly lowers the risk of heart disease. Antioxidants found in both beverages are thought to be responsible, the effects being more profound in tea than coffee. Dr. Yvonne van der Schouw from the University Medical Center Utrecht led the study which followed 37,514 people for 13 years and found that those who drank tea regularly could see their heart risk decrease by as much as 45%, while coffee drinkers only saw a 20% decrease.
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