Research has long shown the antioxidant properties and health benefits of drinking tea, but new findings suggest that tea may also have significant preventative properties against chronic disease.
Recent findings were discussed Wednesday at the Fifth International Scientific Symposium on Tea and Human Health in Washington, D.C.
"If there's anything that can confidently be communicated to the public, it's the ability of tea to be associated and demonstrated in the primary prevention of chronic disease," says meeting chair Jeffrey Blumberg, a professor in Friedman School of Nutrition Science and Policy at Tufts University, Boston.
One of those is osteoporosis, the "brittle bone" disease. Green tea in particular may help reduce the risk for fractures and improve bone mass, a leading health concern as people age, suggests a study by researchers at the Texas Tech University Health Sciences Center. "Osteoporosis is a non-curable disease and prevention is key," said Chwan-Li "Leslie" Shen, associate professor of pathology.
In a six-month trial of 171 postmenopausal women with low bone mass, researchers found participants had improvements in bone formation by consuming 500 mg of green tea polyphenol capsules a day, the equivalent of four to six cups of tea, alone or in conjunction with practicing tai chi. Tai chi is a gentle form of exercise based on Chinese martial arts.
Green tea promoted bone remodeling within three months of consumption and reduced oxidative stress damage, Shen said. "Bone loss can be slowed. You can slow the progression. You can delay the onset of osteoporosis."
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