There is increasing national attention on a story out of Genesee County that YNN has been following since October. Now, up to 15 teenagers in Le Roy are facing what's being called a medical mystery. Although doctors have diagnosed the majority with conversion disorder, or mass hysteria, some reject that explanation.

One of those teens spoke out for the first time explaining the struggles that she now faces. It's a story you'll see only her on YNN. Here's Kate McGowan.

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“I don't smile as much anymore. I just am not myself. I don't feel like I'm myself," said Traci.

Traci went from being a high honors student and star athlete at Le Roy High School to just barely getting by with each new day.

"I can't do anything. I go to school, half the time I'm in the nurse's office because I can't pay attention," she said.

She is one of now up to 15 Le Roy teens experiencing similar symptoms: symptoms that keep her on edge all day and all night.

"When I do have bad days, I don't like going places. I don't like when people stare at me. It's kind of nerve wracking and embarrassing," said Traci.

She describes it as waking up to a nightmare. Back in October, Traci woke up for school and realized something wasn't right. She began to stutter, and just days later couldn't control the movement in her right arm.

"It was just scary. It was like so different; it was just a lot and it hurt and I pulled my neck all the time. My arm would just get so sore and so tired," said Traci.

Now, she deals with involuntary facial tics and verbal outbursts.

"I have these really weird outbursts and it's like a grunt noise," said Traci.

The symptoms, though scary, didn't come as a surprise to Traci. She says her best friend, Brooke Dupont, as well as some of her classmates were dealing with similar symptoms before she did.

"We're all very supportive of each other and there's so many people in our school who are supportive," she said.

Doctors at the Dent Neurologic Institute in Buffalo told YNN that they treat and diagnosed 11 patients from Le Roy High School with conversion disorder or mass hysteria.