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Rachel Villanueva was not used to being on the receiving end of patient care.

As supervisor of the UT Health East Texas Physicians pediatric clinic on Fifth in Tyler, Rachel oversees the care of dozens of patients throughout the week.

But when it came to managing her own weight and overall health, she needed her doctors' guidance.

"I have battled my weight for many years," Rachel said. "Four years ago my OB/GYN diagnosed me with PCOS, which makes it difficult to lose weight," she said.

At nearly 400 pounds and a 48-inch waist, Shaun Rivers was ashamed to be seen in public and didn’t want to leave his house. All he wanted was to improve his health and knew it was time for a change. Today, he is down to 201 pounds and a 34-inch waist.

Rivers’ journey to better health started eight years ago when he found out he had stage 4 Graves’ disease, an autoimmune disease that attacks the thyroid. To treat it, he took a medication that stopped his metabolism. At the time, he was about 240 pounds. Within 10 months, he weighed 393 pounds.