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.

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