The Man Who Can't Get Fat
Mr. Perry, 59, can eat whatever he likes and never get fat. He cannot put on weight because of a condition called lipodystrophy that makes his body rapidly burn fat. He used to be a chubby child, but at age 12 the fat dropped off "almost overnight". He initially tried to eat more to gain weight, but it had no effect. His body produces six times the normal level of insulin.
The Man Who Doesn't Feel Cold
Dutchman Wim Hof, also known as the Iceman, climbed the Mt. Blanc in shorts in the icy cold. He has harvested world records and always stands for new challenges. Scientists can't really explain it, but the 48-year-old Dutchman is able to withstand, and even thrive, in temperatures that could be fatal to the average person.
The Boy Who Can’t Sleep
Rhett has a rare medical condition in which he can’t sleep a wink. He is awake nearly 24 hours a day, and his condition has baffled his parents and doctors for years until he was diagnosed with an extremely rare condition called chiari malformation -- his brain is literally squeezed into the spinal column, resulting in compression of the brain stem.
The Girl Who is Allergic to Water
Teenager Ashleigh Morris can't go swimming or soak in a hot bath -- she's allergic to water. Even sweating brings the 19-year-old out in a painful rash. She suffers from an extremely rare skin disorder called Aquagenic Urticaria, so unusual that only a handful of cases are documented worldwide.
The Woman Who Can’t Forget
“AJ”, an extraordinary 40-year-old woman, has "nonstop, uncontrollable and automatic" memory of her personal history and countless public events. If you randomly pick a date from the past 25 years and ask her about it, she’ll usually provide elaborate, verifiable details about what happened to her that day and if there were any significant news events on topics that interested her. She was given the code name AJ to protect her privacy, and her condition is so unusual that a new name was coined for her condition: hyperthymestic syndrome.
The Girl Who Eats Only Tic Tacs
Natalie Cooper, a 17-year-girl, has a mystery illness that makes her sick every time she eats nearly any food. She can eat one thing that doesn’t make her sick: Tic tacs. For reasons that doctors are unable to explain, Tic tacs are the only thing she can stomach, meaning she has to get the rest of her sustenance through a tube.
Sarah Carmen, 24, suffers from Permanent Sexual Arousal Syndrome (PSAS), which increases blood flow to the sex organs. She believes her condition was brought on by her birth control pills. She and her boyfriend split, and new partners struggle to keep up with her sex demands. "Often, I'll want to wear myself out by having as many orgasms as I can so they stop and I can get some peace," she said.
The Musician Who Can't Stop Hiccupping
Chris Sands, 24, hiccups as often as every two seconds, and sometimes even when he is asleep. Mr. Sands thinks his problem stems from an acid reflux condition caused by a damaged valve in his stomach. Mr. Sands, who is a backing singer in the group Ebullient, said the condition has hampered his career as he has only been able to perform four times.
The Girl Who Collapses Every Time She Laughs
Kay Underwood, 20, has cataplexy, which means that almost any sort of strong emotion triggers a dramatic weakening of her muscles. Exhilaration, anger, fear, surprise, awe and even embarrassment can cause sufferers to suddenly collapse on the spot. Like most cataplexy sufferers, Ms Underwood is also battling narcolepsy, a condition that makes her drop off to sleep without warning.
The Woman Who is Allergic to Modern Technology
Debbie Bird is allergic to cell phones and microwaves. The 39-year-old is so sensitive to the electromagnetic fields generated by computers, mobile phones, and microwave ovens that she develops a painful skin rash and her eyelids swell to three times their size if she goes near them. Mrs. Bird, a health spa manager, has transformed her home into an EMF-free zone to try and stay healthy.