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A new study found that a plant-based diet rich in soy reduces moderate-to-severe hot flashes by 84 per cent, from nearly five per day to fewer than one per day.The findings of the study were published by the North American Menopause Society in the journal 'Menopause'.During the 12-week study, nearly 60 per cent of women became totally free of moderate-to-severe hot flashes. Overall hot flashes (including mild ones) decreased by 79 per cent.The study, called the WAVS trial--the Women's Study for the Alleviation of Vasomotor Symptoms-showed that diet changes can be much more powerful for treating hot flashes than scientists had thought. Vasomotor symptoms refer to night sweats, hot flashes, and flushes.The study used no hormone medications or extracts. Instead, the research team tested a combination of a low-fat plant-based diet plus 1/2 cup of ordinary soybeans added to a salad or soup each day."This is a game changer for women aged 45 and over, most of whom we now know can get prompt relief from the most severe and troubling menopause symptoms without drugs," said lead researcher Neal Barnard, MD, president of the Physicians Committee and adjunct professor at the George Washington University School of Medicine.As many as 80 per cent of postmenopausal women suffer from hot flashes. Heat wells up from the chest, causing flushing, sweating, and chills. At night, hot flashes interfere with sleep.Estrogen-based medications were once routinely used to treat hot flashes but have been shown to increase the risk of breast cancer and other serious problems. Isoflavone extracts from soybeans work only modestly, leaving women and their doctors with few effective options.Postmenopausal women reporting two or more hot flashes per day were randomly assigned to either an intervention group--consisting of a low-fat, vegan diet, including half a cup of cooked soybeans daily--or to a control group that made no diet changes for 12 weeks.The frequency and severity of hot flashes were recorded using a mobile application, and vasomotor, psychosocial, physical, and sexual symptoms were assessed using the Menopause Specific Quality of Life Questionnaire (MENQOL).Each participant was given a digital self-calibrating scale to track body weight day by day, a mobile app to track hot flashes in real time, and an Instant Pot to prepare soybeans at home. Each week, the group got together with the research team via Zoom."Previous studies have shown that soy could be beneficial, so we decided to put a diet change to the test," said study author Hana Kahleova, MD, PhD, director of clinical research for the Physicians Committee."We believe that the combination is what is important. By the end of the study, the majority of women on a plant-based diet rich in soy reported that they no longer experienced moderate-to-extreme hot flashes at all and that they experienced significant improvements in their quality of life," added Kahleova.Total hot flashes decreased by 79 per cent and moderate-to-severe hot flashes decreased by 84 per cent in the intervention group. At the study's conclusion, 59 per cent of intervention-group participants reported becoming free of moderate and severe hot flashes. There was no change in this variable in the control group.In previous randomized trials, soy products have been shown to modestly reduce the frequency of hot flashes. The researchers theorize that the effect may be a result of soy products containing isoflavones, which can be metabolized by gut bacteria into equol--a nonsteroidal compound that has been shown in some studies to reduce the incidence and severity of hot flashes.Previous studies have also shown that those following vegetarian or vegan diets produce higher levels of equol. The new study showed a more robust response, using the combination of a plant-based diet plus soy.Many study participants also reported improvements in sexual symptoms, mood, and overall energy."This was basically a lifesaver for me," said one study participant. "I've got my quality of life back." Another said, "I am sleeping better, and my hot flashes diminished tremendously." Several participants also noticed significant weight loss and better digestion."Before you jump to any kind of medication, I would try this route, because it's easy," a study participant said. "Anybody can do it."The study was based on the new approach to menopausal symptoms described by Dr Barnard in his book 'Your Body in Balance'.After the book was released in 2020, a reader contacted Dr Barnard to let him know that his method eliminated her hot flashes within five days. Rather than using isoflavone extracts or soy foods such as soy milk or tofu, she used whole soybeans.( With inputs from ANI )Disclaimer: This post has been auto-published from an agency feed without any modifications to the text and has not been reviewed by an editor

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