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| Weight Loss Information from experts |
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Drinking Green Tea May Help You Lose Weight
Green Tea Also Has Anticancer Properties Green tea, which has been reported to have anticancer properties and to raise levels of antioxidants in the blood that may ward off heart disease, now appears to have the potential to promote weight loss. A new study in the March issue of the International Journal of Obesity concludes that green tea extract increases the burning of calories and fat needed to lose weight. Green Tea In Liquid Or Capsule May Aid In Weight Loss Previous animal studies showed that green tea extract increased thermogenesis, which is the generation of body heat that occurs as a result of normal digestion, absorption, and metabolization of food. In previous human studies, the authors showed that consumption of green tea increased thermogenesis as well as energy expenditure and fat loss in healthy men, suggesting that green tea in liquid or capsule form may be an effective way to aid weight loss. In the new study, conducted by Abdul Dulloo, from the Institute of Physiology at the University of Fribourg in Switzerland, researchers exposed a particular type of fatty tissue from rats to caffeine and to green tea extract containing small concentrations of caffeine. Green Tea Containing Caffeine Can Raise Metabolism Green tea containing caffeine significantly increased thermogenesis by 28% to 77%, depending on dose, whereas caffeine alone resulted in no significant increase. When the stimulant ephedrine was added to green tea with caffeine, the increase was even more significant compared with caffeine alone and ephedrine alone. Caffeine and ephedrine are used together in some herbal weight loss preparations, but there are many safety concerns regarding ephedrine because it raises heart rate and blood pressure. Dulloo and colleagues also tested the plant compound EGCG found in green tea. They found that the stimulant ephedrine alone had no effect on thermogenesis, but that caffeine plus ephedrine resulted in an 84% increase. However, adding EGCG to the caffeine plus ephedrine mix increased thermogenesis even further. "Our studies ... raise the possibility that the therapeutic potential of the green tea extract, or indeed a combination of EGCG and caffeine, may be extended to the management of obesity," Dulloo and co-authors write. A researcher who reviewed the study for WebMD says that while the work is interesting and extends this group's previous findings by showing that compounds in green tea other than caffeine are involved in thermogenesis, caution should be used in interpreting animal data and applying it to humans. "They used [a particular type of fatty tissue] from rats and we don't really know how significant that tissue is in humans or if it is different in obese vs. non-obese people," says Sheri Zidenberg-Cherr, PhD. "It doesn't rule out the significance of the findings, and it is a good model to use to look at the effects of caffeine and the combination of caffeine and the [plant] compounds that are present in green tea, but until better clinical trials are done in humans, it's hard to say what the physiological significance of this actually may be." Zidenberg-Cherr, who is an associate professor of nutrition at the University of California, Davis, also points out that thermogenesis plays only a very small role in energy expenditure in adults. Most of the energy expended is used to maintain basic body functions such as breathing and the flow of blood throughout the body. She says green tea may have many health benefits due to its plant compounds, but cautions that it is not the answer to weight-loss woes. "Green tea can't be used, and it shouldn't be used, as a 'magic bullet' for weight loss," she tells WebMD. "You've got to combine it with other changes, including increasing physical activity and reducing a high-calorie diet." You may reprint or publish this article free of charge as long as the bylines are included. Original URL (The Web version of the article): Drinking Green Tea May Help You Lose Weight About The Author
MORE RESOURCES: Podcast: A checkup on weight-loss drugs Reuters.com ‘Was working on myself quite extensively’: Ram Kapoor shares photos after dramatic weight loss; tips on achieving sustainable fitness in middle age The Indian Express How to lose stubborn belly fat before wedding: Nutritionist shares simple weight loss plan to shed 2-3 kg in 10 days Hindustan Times Weight Loss Drugs Changed Their Lives. Then They Lost Coverage. The New York Times WHO scientists endorse weight loss drugs for controlling obesity: What does it mean for therapies? The Indian Express Stanford Scientists Rewrite the Ketosis Rulebook: Metabolites That Suppress Hunger and Promote Weight Loss SciTechDaily FDA approves Zepbound® (tirzepatide) as the first and only prescription medicine for moderate-to-severe obstructive sleep apnea in adults with obesity Investors | Eli Lilly and Company FDA approves weight-loss drug Zepbound to treat sleep apnea The Washington Post Weight Loss Drug Tirzepatide Now Approved for Sleep Apnea in Adults With Obesity AJMC.com Managed Markets Network Novo’s CagriSema Blunder Underscores Sky-High Investor Expectations for Weight Loss Drugs - BioSpace Are Weight-Loss Drugs Causing a Rift in Your Relationship? We Want to Hear About It. The New York Times Meghan Trainor Says This Strength Routine 'Changed' Her Life Women's Health FDA reaffirms Eli Lilly weight-loss drug is no longer in shortage The Washington Post Risks of weight loss medication breaks FOX 13 Seattle Wellness Wednesday: Weight loss resolutions newschannel20.com FDA Approves Weight-Loss Drug Zepbound for Sleep Apnea The Daily Beast Novo Nordisk stock plunges 20% after a trial of its latest weight loss drug disappoints Markets Insider Is Viking Therapeutics, Inc. (VKTX) the Best Weight Loss Stock to Buy Now According to Hedge Funds? Yahoo Finance Novo Crashes 18% After Next-Gen Obesity Drug Misses Its Mark Investor's Business Daily THIS weight-loss drug becomes first to gain approval for treating sleep apnea; details here | Mint Mint Best way to avoid weight gain when eating out: Nutritionist reveals clever restaurant hack; says you should drink... Hindustan Times Reason behind Diddy's drastic weight loss behind bars as lonely Christmas approaches - The Mirror US FDA confirms shortage of weight loss drug tirzepatide is over, gives compounders a grace period STAT IBD 50's Hims Tumbles On Bad News For Weight-Loss Drug Investor's Business Daily Opinion: Weight-loss drugs are great, but real food still matters Los Angeles Times Weight loss drugs are getting people to the doctor. Now comes the wave of long-ignored diagnoses Quartz Lilly's Zepbound® (tirzepatide) superior to Wegovy® (semaglutide) in head-to-head trial showing an average weight loss of 20.2% vs. 13.7% Investors | Eli Lilly and Company US obesity rates drop for 1st time in a decade, with possible help from weight loss medications ABC News Updated: Novo’s 23% weight loss with CagriSema falls short of high expectations, new trial planned Endpoints News Diddy stuns with dramatic ‘weight loss, grayer’ look at new court hearing, reporter claims Hindustan Times |
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