One of the Olsen twins has reportedly entered a treatment facility to seek professional help for an eating-related issue.

According to "Access Hollywood," Mary-Kate Olsen's publicist Michael Pagnotta issued a statement Tuesday, saying that the actress has "recently entered a treatment facility to seek professional help for a health-related issue. She is thankful for the encouragement and support of her friends and family who are with her every step of the way."

Later, Pagnotta reportedly told "Access Hollywood" that the issue was "eating-related."

Mary-Kate Olsen entered the center within the last 10 days. The teen millionaire still plans to attend New York University this fall and will be traveling later this summer, according to the statement.

Mary-Kate Olsen and her sister, Ashley Olsen, have made headlines recently for their first big screen effort "New York Minute" and for reaching their 18th birthday.

The fraternal twins started in the entertainment business at 9-months-old, sharing a role in the hit sitcom "Full House." They've since gone on to create their own home-video and merchandising dynasty.

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• May 3, 2004: @ The Movies Interview: Mary-Kate And Ashley Olsen