Emily Simpson is sharing a major update on her son Luke 's health journey.

Several months after detailing her 10-year-old's struggles with developmental and behavioral issues and the eating disorder known as ARFID, The Real Housewives of Orange County star emotionally recounted the difficult journey that finally led to a recent medical diagnosis.

"It’s very complicated," Emily shared during the Bravo series' season 19 reunion Nov. 6. "He went from a happy fourth grader that no teacher had ever said there’s issues. He was gifted. And all of a sudden my child just completely changed. He regressed, he started talking like a baby, acting out. And I was so confused."

Little did Emily know that by sharing her story with fans, viewers would lend a helping hand in her family's time of

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