Drinking tea can reduce the risk of diabetes, heart disease and death

Drinking a couple of cups of tea a day has been proven to have many well being advantages, together with lowering the risk of heart disease, stroke, diabetes and total mortality.

The latest examine on the subject, a assessment of 19 research, will likely be introduced subsequent week at the annual assembly of the European Association for the Study of Diabetes. The outcomes confirmed that ingesting at the very least 4 cups of black, inexperienced or oolong tea a day lowered an individual’s risk of growing kind 2 diabetes by 17% over ten years.

The examine, carried out by a workforce from China, concerned multiple million adults from eight nations. Studies present that ingesting fewer cups of tea is much less helpful. The outcomes confirmed that ingesting only one to a few cups a day lowered the risk of kind 2 diabetes by 4%. For every further day by day cup, the risk of growing diabetes decreased by 1%.

“Our outcomes are attention-grabbing as a result of they counsel that folks can do one thing so simple as ingesting 4 cups of tea a day to reduce their risk of growing kind 2 diabetes,” stated Xiaying Li, a researcher at Wuhan University of Science and Technology. a criticism.

A examine revealed final month discovered that ingesting two or extra cups of black tea a day lowered the total risk of death by 9% to 13% in contrast with non-tea drinkers over a 14-year interval in the UK. The examine additionally discovered a hyperlink between ingesting a number of cups of tea and a decrease risk of coronary heart disease and stroke.

“We assume our findings are very reassuring to tea drinkers,” stated Dr. Maki Inoue-Choi, a analysis fellow at the National Cancer Institute, led the examine.

Inoue-Choi stated in her examine, even amongst individuals who drank greater than 10 cups a day, “we did not see any adverse impact on the risk of death.”

Antioxidants in tea might reduce irritation

The well being advantages of ingesting tea could also be attributed to polyphenols, compounds present in vegetation that naturally present antioxidants.

“These compounds might reduce irritation and oxidative stress in the physique, and this, in flip, might reduce the risk of sure well being circumstances, resembling heart disease,” Inoue-Choi stated.

The predominant polyphenols in inexperienced tea, catechins, defend cells from injury and could also be notably useful in stopping disease. When inexperienced tea leaves are fermented to make black tea, the catechins are transformed into theaflavins, one other kind of antioxidant.

Inoue-Choi stated this may increasingly clarify why inexperienced and black tea have well being advantages. It might also clarify why folks must drink extra tea to see a considerably decrease risk of sickness or death.

Indeed, in a separate examine of 5,200 adults, a gaggle from China discovered that regardless of what number of cups of tea they drank, the risk of growing kind 2 diabetes was truly about the identical for tea drinkers and non-tea drinkers.

Inoue-Choi stated in her examine that including milk or sugar to tea didn’t reduce the well being advantages, however individuals used these substances sparingly.

“Sweet tea in the retailer has so much of sugar,” he stated. “We nonetheless must observe dietary tips to keep away from an excessive amount of sugar and an excessive amount of saturated fats.”

But Inoue-Choi’s examine discovered no hyperlink between tea consumption and a lowered risk of most cancers death.

Although some earlier research have recommended that ingesting tea might reduce the risk of prostate, lung, ovarian or colorectal most cancers, one examine additionally discovered that ingesting three cups of black tea a day was a major risk issue for breast most cancers. Another examine discovered that ingesting highly regarded tea (over 149 levels Fahrenheit) was related to an elevated risk of esophageal most cancers.

“The most cancers findings are extra combined,” Inoue-Choi stated, including that extra analysis is required. “There are extra constant outcomes for heart disease or stroke.”

For now, he says, scientists do not make broad suggestions about the excellent quantity of tea.

“We’re not recommending that folks change their tea ingesting habits simply based mostly on this one examine,” Inoue-Choi stated.

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