In the viral video, Dr. Bita Farrell explained that she made herself into her own “lab rat” by drawing a line down the middle of her face and only adding filler into the right side of her visage.

I suit up alongside the Ghost Town monsters in complete costume and makeup to see first-hand what it takes to be a ‘scareactor’ at Knott’s Berry Farm.

A doctor injected half of her face with Botox to show viewers exactly what it does. In a viral video, Dr. Bita Farrell explained that she made herself into her own "lab rat" by drawing a line down ...