RACHEL MARTIN, HOST: There are a lot of videos on YouTube that encourage women to take control of the messages they're sending themselves, videos like this one.
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LORI OSACHY: Are you getting in front of the mirror and saying, wow, I look great today; I'm a wonderful person; I look fabulous? Or are you picking your body apart and talking about, you know, how big your butt is or how scrawny your arms are or, you know, the millions of negative messages...
MARTIN: That was the voice of Lori Osachy. She's an eating disorder therapist in Florida. And we heard her there, leading a session in a self-help technique known as self-talk.
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