Dr. Drew Pinsky has joined forces with environmental activist Erin Brockovich to investigate why more than a dozen teenagers are suffering from mysterious Tourette-like symptoms and seizures, and RadarOnline.com has video of their findings.

“I’m stunned by what she had to say,” revealed the TV doctor backstage at his HLN show after meeting with Brockovich.

The pair have both committed to discovering the cause of the bizarre illness that struck down the teens from LeRoy High School in upstate New York, who all developed tics and involuntary verbal outbursts.

Janice Dickinson may well be living the sober life, after kicking booze and pills during a stint on Celebrity Rehab 4, but she's still keeping the drama coming in true diva fashion!

RadarOnline.com have learned exclusively that Dickinson recently underwent a major meltdown, demanding a huge payday for her scheduled appearance on Wednesday night's Celebrity Rehab reunion show.

According to a source close to the situation, Dickinson originally refused to attend the reunion, and then demanded DOUBLE the fee that everyone else on the show was asking for.