Sean Milliken, who appeared on TLC's My 600-Lb. Life, has passed away at age 29. In a statement released Tuesday, the network said the following:

TLC is saddened to share that Sean Milliken has passed away. Viewers first met Sean in 2016 on My 600-lb Life when he weighed over 900-lbs. Over the course of his weight loss journey, he victoriously lost over 400-lbs. TLC viewers caught up with Sean this past summer and learned that despite the loss of his mother, he was still continuing in his quest to live a healthier and happier life.

Sean's father, Matt, announced his son's passing on Facebook. Per NBC4I, Matt wrote that Sean died of an infection. "Sean was admitted into the hospital a couple days prior, because of an infection, Sunday he was having problems with his breathing, they were able to resuscitate him and a short time later his heart stopped."

Sean first shared his story with TLC viewers on season four, episode 12 of the show, which aired in 2016, and was filmed again this past summer shortly after his mother passed away.

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Madison Flager Lifestyle Editor Madison Flager is the Lifestyle Editor at Delish.com; she covers food news and trends, travel-worthy food experiences, and the products you need in your kitchen right now.

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