Tuesday, January 05, 2021

General benefits of drinking tea

Saves arteries
Drinking black tea helps prevent deadly clogging of arteries and reverses poor arterial functioning that can trigger heart attacks and strokes, two major new studies have found. In a large 10-year study in the Netherlands, men who consumed the amount of antioxidants called "catechins" found in three cups of black tea were 50% less likely to die of ischemic heart disease, caused by narrowed clogged arteries, than were men who consumed only the catechins in half a cup of tea.

Inhibits cancer growth
Tea has long been tied to a lower risk of stomach, colon and breast cancer, although the connection is not proven. Now lab studies find that tea chemicals actually may stop cancer growth. Rutgers University researchers showed that a compound in black tea called TF-2 caused colorectal cancer cells to "commit suicide"; normal cells were unaffected.  

Tames inflammation
Researchers at Case Western Reserve University gave arthritis-prone mice either green tea or water. The human equivalent of four cups of green tea daily halved the mice's risk of developing arthritis. Also intriguing: TF-2, the newly discovered anti-cancer compound in black tea, suppresses the Cox-2 gene that triggers inflammation, says research at Rutgers. That's the same way the drugs Vioxx and Celebrex work. Also, in a UCLA study of 600 Chinese men and women, drinking green tea halved the risk of chronic stomach inflammation, which can lead to cancer.

Wipes out viruses.
Previous tests prove tea can neutralize germs, including some that cause diarrhea, pneumonia, cystitis and skin infections. Research by  Pace University finds that black and green tea deactivates viruses, including herpes.  A Japanese study showed that gargling with black tea boosted immunity to influenza. Recent at Harvard indicated that tea chemicals stimulated gamma-delta T-cells that bolster immunity against bacteria and viruses.

Burns calories
Most surprising, green tea's antioxidant EGCG stimulates the body to burn calories, notably fat. In a Swiss study, a daily dose of 270mg EGCG (the amount in 2 to 3 cups of green tea) caused men to burn 4% more energy - about 80 extra calories a day. Green tea did not increase heart rate, and the calorie burning was not due to caffeine.

Canadian researchers block cavities in mice by replacing their water with tea. Indian eye researchers have retarded cataracts in rats by feeding the animals tea extract. Israeli scientists block Parkinson's-like brain damage in mice by giving them green tea extract or pure EGCG. W

For the best benefit
Drink both black and green tea, the regular kind sold in bags or leaves in grocery stores. Their antioxidants are equal. But green tea boasts special-acting EGCG. Bottled tea and instant tea have few antioxidants, research shows.

Herbal teas do not have the same health properties as real tea (Camellia sinensis). Tea with caffeine has slightly more antioxidant activity.

Steep tea leaves or bags in hot water 3 to 5 minutes to thoroughly release antioxidants. Adding milk to tea does not block absorption of antioxidants.
General benefits of drinking tea

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