Among 148 Polish adults aged 40 to 70, high intakes of tea and vegetables went with lower levels of asymmetric dimethylarginine, a cardiovascular biomarker, after adjustment for age, sex, BMI and smoking. Fruit showed no association, and coffee correlated with higher risk.
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Food
Coffee, Tea, Vitamin D Help Fight MRSA Superbug
A non-randomized study in Annals of Family Medicine found people who drank hot tea or coffee had nearly 50 percent lower odds of carrying MRSA in the nose, though why is unknown. A separate report tied lower vitamin D in inpatients to higher costs and service use.
Food
Tea and coffee help fight superbug
Drawing on 2003-2004 NHANES data, Eric Matheson's team found adults who drank hot tea were 47% less likely to carry MRSA in the nose than non-drinkers, with a similar reduction among coffee drinkers. About 1.4% of the population carries MRSA in the nose.
Food
Drinking tea may help prevent stomach cancer
University of Massachusetts researchers found extracts of white, green, oolong and black tea inhibited H. pylori when brewed for five minutes, while only two teas worked at two minutes. The extracts spared beneficial lactic acid bacteria; the active ingredient is unknown.
Food
Bottled tea may contain no antioxidants
Wellgen chemist Shiming Li told an American Chemical Society meeting that six brands of bottled tea held 81, 43, 40, 13, 4 and 3 milligrams of polyphenols per 16-ounce bottle, against 50 to 150 milligrams in a cup of home-brewed tea. He says many also carry high amounts of sugar.
Food
Ancient Food Ingredients: What's Old is New
Mercola welcomes growing consumer interest in traditional ingredients such as Russian kefir, Japanese adzuki beans and European black currant, and argues that returning to whole foods can start reversing the damage done by years of processed eating.
Food
Drinking Pu-erh Tea helps fight obesity
Chinese researchers fed rats a high-fat diet with pu-erh tea extract at 0.5 to 4 grams per kg and found lower body and fat-pad weight plus reduced cholesterol, triglycerides and LDL. They attribute it to raised activity of lipoprotein, hepatic and hormone-sensitive lipases.
Food Chemicals
Black tea contains more fluoride than ever thought
A Medical College of Georgia study found black tea can carry up to 9 milligrams of fluoride per litre, nearly double the earlier estimate of 1 to 5. Four patients with advanced skeletal fluorosis had each drunk one to two gallons of tea daily for 10 to 30 years.
Food
Popular Brew May Lower Cholesterol, Blood Pressure, and Triglycerides
Research cited here finds tea rehydrates as well as water rather than dehydrating, and links one to eight cups a day to lower chronic disease risk, credited to flavonoids. Mercola still wants most daily fluid to be pure water, with no added sugar or pasteurized milk.
Diabetes
Coffee and tea reduce diabetes risk
Pooling 18 studies of 457,922 people, researchers found those drinking three to four cups of coffee a day had about a 25 percent lower risk of type 2 diabetes, with each extra cup linked to a 7 percent reduction. Heavy tea drinkers had about a fifth lower risk.
Diabetes
Coffee, tea may help prevent diabetes
Pooling 18 studies of 458,000 people, Rachel Huxley's team found each extra daily cup of coffee linked to 7% lower diabetes risk, with similar reductions for decaffeinated coffee and tea. The studies were observational and do not show that coffee prevents diabetes.
Food
Is Drinking Tea or Coffee the Smarter Choice?
Mercola asks why coffee, which he says supplies no vitamins, minerals or enzymes, became the world's most popular drink, crediting taste and the caffeine boost, and notes that decades of research still conflict over what it does to health.
Cancer
Drinking Hot Tea May Cause Throat Cancer
People in northern Iran who drank tea hotter than 70 degrees Celsius were eight times more likely to have throat cancer than those drinking it below 65, in a study of 300 esophageal cancer patients and 571 others. The authors suspect repeated injury to the esophagus.
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