Green Tea Weight Loss Buzz Under the Spotlight!
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There was considerable buzz about green tea's purported weight loss properties when on an episode of the Oprah Winfrey Show entitled "Look Ten Years Younger in Ten Days", Oprah's guest Dr. Nicholas Perricone, author of the New York Times bestseller "The Perricone Prescription", said that if people substituted green tea for coffee and did nothing else differently, they would lose 10 pounds in six weeks.
Consequently, Oprah has reportedly taken to a regimen of green tea, almonds, apples and parmesan cheese which she takes between 3:30 and 4 PM. |
After the airing of that Oprah episode, discussions and debates arose regarding the true abilities of green tea in bringing about weight loss. Many say that the doctor's claim was taken out of context and that the actual point of his declaration was not that green tea actually contributed to weight loss but rather that it's the switch away from coffee that did the trick.
Upon replaying tapes of the Oprah episode, we saw that what Dr. Perricone had actually said was that coffee has organic acids that raise people's blood sugar, thereby raising insulin. Insulin puts a lock on body fat. When people switch over to green tea, people will still get their caffeine fix but they drop their insulin levels and body fat will fall very rapidly.
However, many people also cite the results of a 1999 study done by Dr. Abdul Dulloo in Switzerland and published in the American Journal of Clinical Nutrition and Urology which concluded that green tea extract has thermogenic properties in men and promotes fat oxidation beyond that explained by its caffeine content per se. It thus appears that green tea extract has the potential to promote weight loss.
Another study published in the International Journal of Obesity concluded that green tea extract increases the burning of calories and fat needed for weight loss. Previous animal studies have shown that green tea extract increased thermogenesis, which is the generation of body heat that occurs as a result of digestion and absorption of food. |
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Whatever the truth of the matter is, it seems that green tea does indeed have some fat-fighting properties though it should not be treated as a magic bullet for weight loss. Studies have yet to conclusively prove that green tea, taken alone, can get the job done. As of this time, studies indicate that people still have to combine drinking green tea with other lifestyle changes, such as exercise and reducing calorie intake, for the desired effects to be realized.
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