Patricia Arquette became so involved with her role in TV show Medium she became physically ill and "afraid of everything." The star plays a mother of three in Arizona who discovers an amazing ability to speak with the dead.

While filming the show the creepiness of her character's 'gift' began to take its toll on the 39-year-old star's mental and physical health.

Arquette says, "I absorbed so much of the fear of the show that I got really sick and was scared of everything. It was horrible."

(This news article provided by World Entertainment News Network)