Rampant Rats/Extreme Fingernails

A woman has more than 60 pet hairless rats that are taking over her tiny studio apartment. Then, another woman has been growing her fingernails for 22 years. Her longest nail is 2 feet long, and she calls them her children.

Eats Drywall/Shower Drain Hair Collector

A man has spent the last six years sneaking into bathrooms because he is addicted to collecting shower drain hair. Then, a woman has spent the last seven years secretly breaking apart walls to feed her drywall-eating addiction.

Wears Diapers/Eats Dryer Sheets

A woman finds comfort in wearing a warm, wet diaper and chooses to live as an adult baby to escape the stresses of the real world. Then, another woman stuffs her bra with dryer sheets and chews them for up to 10 hours a day.

Gas Sniffer/Teddy Bear Obsession

A woman cannot stop smelling gasoline after more than 30 years, even though she battled cancer, anemia and major stomach problems. Then, a former drug addict has 12 "children" -- all of which are teddy bears.

Eats Rocks/Pillow Obsessed

A woman can't stop eating rocks after more than 20 years. Then, another woman carries around her childhood pillow, Boo, everywhere she goes.

Extreme Cycling/Taxidermy

A man is addicted to cycling and spends at least six hours a day -- 41,000 miles a year -- peddling on his bike. Then, a woman loves spending her time searching for dead animals on the side of the road and stuffing them.

Carrying My Husband's Urn

A 26-year-old woman is so devastated by the sudden loss of her husband that she brings his urn with her wherever she goes. However, she has recently taken her grieving to a shocking new level.

Bathes in Bleach/Eats Plastic

An 18-year-old has eaten plastic every day for more than 11 years, consuming more than 150 pounds of plastic. Then, a woman takes her addiction to bleach to the extreme by bathing in it daily.

Dating My Car/Baby Powder Addict

A 27-year-old man is in an intimate relationship with his car and takes it on dates. Then, a woman is addicted to snorting baby powder and needs a fix at least 10 times a day.

Eats Cat Food/Smells Mothballs

A woman's addiction to cat food reaches the extreme as she consumes over 900 cat treats and several cans of wet food daily. Then, another woman that's been addicted to smelling mothballs for 15 years keeps them in her house and purse.

Addicted to My Breasts/Tape Eater

A woman has spent nearly $250,000 on 22 breast enlargement surgeries, despite suffering a severe infection from her recent implants. Then, another woman is addicted to eating adhesive tape and goes through over 200 feet per day.

Drinks Nail Polish/Ear Digger

A 23-year-old woman drinks up to five bottles of nail polish every day, and her family worries she is doing permanent damage to her health. Then, another woman spends over 12 hours a day scraping her ear canal with sharp objects until she bleeds.

Eats Dirt/Extreme Toenails

A woman has eaten dirt every day for the last 30 years, and doctors must convince her to stop before it's too late. Then, another woman is addicted to growing her toenails.

Smells Pine Cleaner/Roadkill Addict

A woman is addicted to smelling pine clear and can't go more than 15 minutes without a fix. Then, a man is obsessed with picking up dead animals from the road.

Drinks Gasoline/Smelling Her Doll Head

A young woman is addicted to gasoline and drinks 15 teaspoons a day. Then, another woman carries and smells her doll head everywhere she goes.

Urine Drinker

A 53-year-old woman drinks about 80 ounces of her urine per day because she believes it will help treat her cancer. Her daughters work to persuade her to see a physician before it's too late.

Addicted to Coffee Enemas/Licks Cats

A woman and her husband are addicted to coffee enemas and have done nearly 7,000 in two and a half years. Then, a woman is addicted to licking her cat and eating clumps of its hair.

Addicted to Inflatables/Butt Injection Addict

For the last six years, a young man has been addicted to his 15 inflatable pool toys. He even eats, sleeps and bathes with them. Then, a 23-year old woman is addicted to black market butt injections.

Extreme Hair/Addicted to Bee Stings

A woman is obsessed with her 21-foot long hair and spends up to six hours a day grooming her locks. Then, another is addicted to stinging herself with bees and her husband worries about the long-term health effects.

Loves Baby Wipes/Eats Sand

A woman has been addicted to baby wipes since she was 15 and goes through up to 500 a day. Then, another woman is addicted to eating sand.

Vapor Rub/Eats Tires

A woman has been addicted to vapor rub for over 20 years and goes through more than 30 jars, inhalers and patches per week. Then, a young woman has been eating tires for six years and consumes up to 14 pounds a month.

In Love With Balloons/Face Mask Eater

A 62-year-old man is sexually attracted to balloons and keeps more than 50,000 in his home. Then, a woman eats nearly an entire jar of clay face masks daily.

Blood Drinker

A woman has been addicted to drinking blood for 15 years. Every month, she consumes about a gallon of pigs blood, but it doesn't end there, because she also drinks human blood. Her mom hopes her tearful plea will convince her to change.

I'm a Living Doll

From obsessive diets to radical plastic surgery procedures, three unconventional individuals willingly take extreme physical and psychological measures to look and live their lives as full-time human dolls.

Pony Play/Addicted to Drinking Paint

A woman is addicted to pony play, a form of costumed role play. Then, a single mother of two has been addicted to drinking paint for nearly three years.

Identical Twin Obsession/Eats Mattresses

Twins are addicted to being identical, looking alike, acting alike and even weighing their meals to stay the exact same size. Then, a woman has been addicted to eating mattresses for over 20 years.

Proud to be Plastic

A 44-year-old mother of six has had at least 30 plastic surgery procedures to build the most extreme body in the world. Soon, she plans to go under the knife again to double her breast size to a shocking QQQ.

Chews Dirty Diapers/Addicted to Leeches

A 22-year-old woman is addicted to chewing on urine-soaked diapers and a 50-year-old man uses leeches up to 40 times a year.

Addicted to a Doll/Eats Plastic Bags

A young man consumes up to 16 plastic newspaper bags every week and even goes days without food. Then, a woman is addicted to an 18-inch plastic doll named Volo and her affection for him gets in the way of human relationships.

Eats Bricks/Married to a Carnival Ride

For the past three years, a 56-year-old woman has been happily married to Bruce, a 70-foot carnival ride. Meanwhile, another woman is addicted to eating brick and has consumed half a ton in 12 years.

Addicted to Being Pamela Anderson

A 29-year-old woman from the United Kingdom is addicted to transforming herself into actress Pamela Anderson. She has had a breast augmentation, Botox injections and permanent lip tattooing to become the classic '90s bombshell.

Addicted to Air Freshener/Long Neck Woman

A woman is addicted to drinking air freshener every day, and another is obsessed with having the world's longest neck.

Addicted to Psychics/Addicted to Body Casting

A 27-year-old man is addicted to covering his body in orthopedic plaster casts even though he has no broken bones. Then, a woman avoids loneliness by spending $200-300 daily to speak to psychics.

Grandma Lover/Addicted to Being Madonna

A 31-year-old man is addicted to dating much older women and is excited by sagging skin, wrinkles and gray hair. Then, another young man is obsessed with becoming Madonna and has spent over $175,000 is cosmetic procedures.

Top 10 Most Shocking

The 10 most shocking addictions over the course of five seasons are revealed.