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Intermittent fasting helps doctor lose 125 pounds in 18 months

Dr. Kevin Gendreau watched his sister die of cancer and realized she had no choice in health. But he did. With intermittent fasting, he lost 125 pounds.

As Dr. Kevin Gendreau watched his 32-year-old sister grow sicker and sicker due to an aggressive ovarian cancer, he reevaluated his own health. The then 28-year-old resident physician was 300 pounds at 5 feet 9 inches tall.

“My poor sister, Rachel, she had no choice with her health,” Gendreau, 30, of Fairhaven, Massachusetts, told TODAY. “I was choosing to be unhealthy.”

He had first gained 50 pounds as a college freshman and kept binge eating to deal with stress. When his father died of a rare form of melanoma, Gendreau turned to food for comfort. During medical school he gained even more weight.

As Gendreau watched his sister struggle with cancer, he realized his unhealthy lifestyle had led to his health issues, like high blood pressure and cholesterol, diabetes and sleep apnea.

After years of binge eating Kevin Gendreau weighed 300 pounds and he suffered many health conditions while only in his 20s.
After years of binge eating Kevin Gendreau weighed 300 pounds and he suffered many health conditions while only in his 20s.Courtesy Kevin Gendreau

“It was a pretty slow onset,” he said. “I went onto medical school never solving the depression and eating problems that came from my father’s passing.”

As soon as he realized that being overweight was a choice, something clicked and Gendreau was able to focus on losing weight in a way that he struggled to do before. When he first started in August 2016, he cut all processed carbohydrates and ate about 1,700 calories a day, which he tracked with a weight-loss app. The first 40 pounds just “melted off.”

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“When you have a history of binge eating and emotional eating you lose all faith in your ability to control your emotions and hunger,” he said. “I had no idea I was as mentally strong as I actually am.”

When he hit a plateau, he made some changes to his diet. He focused on eating chicken, turkey, legumes, vegetables, black coffee, tea, non-fat Greek yogurt, fruit and raw nuts. This change helped him shed even more weight. But again, his progress stalled at 225 pounds.

“I felt a lot better,” he said. “But as my sister’s condition worsened, it motivated me on the path. I knew I was going to be an integral part of (the children’s) lives.”

When his sister died in June of 2017, leaving behind her children, Henry, 3, and Sophia, 7, Gendreau restarted his weight loss again with the 16:8 diet, also known as intermittent fasting. From noon to 8 p.m. he consumes as many calories he wants. This has helped him lose the last 60 pounds of his 125-pound weight loss, which took a total of 18 months.

“I am shocked it works. There is always a new diet but this is very medically sound, which is why I loved it,” he said.

Thanks to intermittent fasting, Kevin Gendreau was albe to lose 125 pounds and be healthier.
Thanks to intermittent fasting, Kevin Gendreau was albe to lose 125 pounds and be healthier.Courtesy Kevin Gendreau

In the past few months, he started working out. He hopes that exercise will help tighten up some excess skin he has.

“Ninety percent of my weight loss … is from diet,” he explained.

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Since February 2018, Gendreau has maintained his loss and is five pounds from his original goal, which would help him reach a healthy body mass index. He no longer takes any medications and has reversed all the health conditions he previously experienced.

“It is just about how I feel and how I look in the mirror and not a number on the scale,” he said.

Gendreau, now a primary care doctor, shares tips on what helped him succeed.

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