Krystin is addicted to eating chalk.
Lacey walks us through the abilities that her over-sized bust has provided her.
Riley, a 25-year-old woman, loves the feeling of dressing like a baby.
Evan can't resist cleaning his friends shower drains in search for slimy hair.
Follow up with Davecat and his synthetic partner as he preps for a second doll.
Dr. John Zajecka explains strange addictions.
Nicole is addicted to dressing up and acting like a pony.
54-year-old Ayanna has been addicted to growing her toenails for five years.
29-year-old Michelle has been addicted to drinking blood for 15 years.
A mother's obsession with germs and cleaning spirals out of control.
A 23-year-old man who's addicted to eating plastic newspaper bags.
For the last six years, Mark has been addicted to his 15 inflatable pool toys.
Twins Amy and Becky, 45, haven't spent more than 30 minutes apart in 20 years.
Carrie finds the warmth of urine comforting and drinks about five glasses a day.
A husband's cremated remains offer his widow comfort.
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