Discovery Life Channel

JT is almost 900lbs with a 100-lb lymphedema mass on his leg and a food addiction that is bound to kill him if he doesn't change; his girlfriend takes him to Houston, but when his behavior drives her away, JT is left with only Dr. Now to help.

Boys Giovanni and Owen share the rare condition Schwartz-Jampel Syndrome, which permanently and painfully contracts their muscles; the two share hardships and triumphs, and strike up a friendship.

Tiffany and Destiny both live with the rare disease Osteogenesis Imperfecta, which causes brittle bones, and set out on a life-changing journey to meet each other.

Bobbi and Kenny have skin that painfully grows in thick scales due to the rare condition Lamellar Ichthyosis.

The CDC, NYPD and FBI team up to deal with anthrax; a mysterious illness targets young girls.

Organ donor recipients share similar symptoms before lapsing into coma; pox outbreak in the Midwest.

A disease that kills 17,000 crows and zoo birds also fills a city's emergency room; an unidentified virus in the Southwest.

A woman starts growing uncontrollably.

A woman suffers crippling sinus pains.

A young man has strange growths; toddler rapidly gains weight.

A baby is born with a series of defects; deadly sore throat.

A doctor treats three gunshot victims who claim be innocent bystanders; a doctor must perform emergency brain surgery on his first day; a bride-to-be suddenly slips into a diabetic coma.

A woman stops eating because she believes she is dead; a runner goes blind in one eye during a marathon; an ER tech's stroke-like symptoms.

A woman believes her neighbors want to kill her; a man is near death after an arrow pierces his chest; two women with swollen abdomens refuse to explain the cause of their pain.

A circus sword-swallower suffers from a persistent case of hiccups; a mother and daughter mysteriously collapse in the ER; a woman loses control of her legs at her daughter's graduation.

Charmaine from Trinidad suffers from one of the most extreme cases of neurofibromatosis ever recorded; tumors cover every inch of her body and obstruct her ability to breathe and swallow; without surgery, these growing tumors threaten her life.

Thirty-year-old Alexandra has a 20-pound, sagging tumor that starts at the back of her neck and now reaches below her waist; as the tumor on Claudia's backside continues to grow, so does the urgency for surgeons to remove it.

Despite his family's pleas, Marlow explores a high-risk surgery to remove a facial tumor; Amy has let the tumor on her back grow for more than 17 years; after finally making the decision to remove it, she learns that now it might be too late.

A massive tumor on Tim's neck continues to grow at an alarming rate, but doctors fear that removing it could leave him paralyzed.

Charmaine from Trinidad suffers from one of the most extreme cases of neurofibromatosis ever recorded; tumors cover every inch of her body and obstruct her ability to breathe and swallow; without surgery, these growing tumors threaten her life.