Habitual tea drinking can lead to higher bone density, particularly for women, and lower the risk of bone fractures, according to a prospective study of 4,50,000 adults by Chinese researchers.
Although little is known about the cause of the association, the research conducted by the School of Public Health with Peking University found daily consumers of green tea and those who had drunk tea for more than 30 years have a lower rate of fractures, going by hospitalization records, reports Xinhua news agency.
The paper on the research was published in the journal Nutrients and Osteoporosis International.
Li Liming, a professor who led the research, said the study included 4,53,625 people randomly selected from the China Kadoorie Biobank and documented their records on hospitalized fractures.
Based on their self-reported tea consumption, the researchers found that compared with those who do not drink tea, daily tea consumers have a 12 per cent lower risk of fracture.
Those who drink green tea or have drunk tea for over 30 years have a 20 to 30 per cent lower risk in hip bone fracture.
Li said bone density had become an important subject of public health. Previous researches also suggested a certain association between habitual tea drinking and higher bone density among menopausal women.
He said the prospective study still needs a more substantial sample analysis for more accurate results linking the association between tea drinking and bone density since tea drinking may affect other factors such as improving people's concentration and vigilance.
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