Dolly Martinez, who appeared on season 10 of TLC's 'My 600-Lb. Life,' is dead at 30 years old. Her sister, Lindsay Cooper, breaking the news on Facebook, writing, 'Dolly had the brightest personality she could light up any room with her laughter, her kindness and her loving spirit. She had a way of making everyone feel special, and her warmth will stay with us forever. While our hearts are broken here, I find comfort in knowing she is now reunited with our dad in heaven. I can only imagine the joy of that reunion. Rest peacefully, Dolly. You will always be loved, always be missed and never forgotten.' A cause of death is not yet known, though Dolly's physical and mental health issues were on full display during her time filming the docu-series. Dolly weighed nearly 600 lbs. at just 5'2," relying on an oxygen tank to breathe, while living with bipolar disorder. She was unable to lose enough weight to qualify for weight-loss surgery with the show's physician, Dr. Younan Nowzaradan, aka Dr. Now.
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