Doctor Loses 125lbs, Reverses Type 2 Diabetes

Kevin Gendreau, MD, transformed his health through diet, exercise, and a renewed sense of purpose.

Mar. 30, 2026 at 11:05am

Got story updates? Submit your updates here. ›

An extreme close-up X-ray photograph showing the intricate structure of a human heart, glowing against a dark background, conceptually representing the medical transformation at the heart of this story.A revealing X-ray view of the human heart, symbolizing Dr. Gendreau's journey to reclaim his metabolic health.Fall River Today

At his heaviest, 38-year-old Dr. Kevin Gendreau weighed 306 pounds and was diagnosed with Type 2 diabetes, sleep apnea, high blood pressure, and other health issues. After his sister's cancer diagnosis, Gendreau committed to overhauling his lifestyle, adopting a low-carb diet, intermittent fasting, and a daily walking routine. In 18 months, he lost 125 pounds, reversing his diabetes and other conditions. Gendreau now works to help over 3,000 patients transform their own health.

Why it matters

Gendreau's story highlights how lifestyle changes can have a profound impact on metabolic health, even for those facing significant challenges. His journey demonstrates the power of finding personal motivation and adopting a holistic, evidence-based approach to weight loss and chronic disease management.

The details

Gendreau, a family medicine physician, struggled with stress-eating and mindless snacking during the long hours of medical school and residency. At his peak weight of 306 pounds, he was diagnosed with Type 2 diabetes, sleep apnea, high blood pressure, high cholesterol, and fatty liver disease. After his sister's cancer diagnosis, Gendreau committed to overhauling his diet and exercise routine. He adopted a low-carb, whole foods approach, focusing on protein, healthy fats, and high-fiber vegetables. He also implemented time-restricted eating, consuming 2-3 meals in a 6-hour window each day. Gendreau complemented his diet with a daily walking routine, aiming for 10,000-15,000 steps per day.

  • Gendreau's weight gain began in college after his father's cancer diagnosis and death.
  • At age 27, Gendreau reached his peak weight of 306 pounds and was diagnosed with multiple health conditions.
  • After his sister's cancer diagnosis, Gendreau began his weight loss journey in 2020.
  • Gendreau lost 125 pounds in 18 months, reaching his goal weight of 181 pounds.
  • Gendreau became board-certified in obesity medicine in 2020.

The players

Kevin Gendreau, MD

A 38-year-old family medicine physician from Fall River, Massachusetts who lost 125 pounds and reversed his Type 2 diabetes.

Rachel

Gendreau's sister, who was diagnosed with ovarian cancer at age 32 and passed away, inspiring Gendreau to transform his health.

Got photos? Submit your photos here. ›

What they’re saying

“Real and lasting change comes from the belief that you deserve to feel better.”

— Kevin Gendreau, MD, Family Medicine Physician

What’s next

Gendreau plans to continue maintaining his weight loss through a balanced lifestyle, while expanding his work in education, clinical leadership, and advocacy for compassionate, evidence-based obesity care.

The takeaway

Gendreau's inspiring transformation demonstrates that lifestyle changes, when approached with the right mindset and support, can have a profound impact on metabolic health, even for those facing significant challenges. His story underscores the importance of finding personal motivation and adopting a holistic, evidence-based approach to weight loss and chronic disease management.