Mystery Diagnosis

Every year, millions of Americans fall prey to ailments that go undiagnosed or misdiagnosed. Medical professionals struggle to understand their baffling conditions.

A child is discovered to have Celiac disease and with it, an intolerance to gluten - a normal ingredient in most breads and whole grains. A woman has her left frontal lobe removed, and is seizure free.

From the moment she was born Haley Daquara was congested, her breathing was labored, and she had failed the newborn hearing test. X-rays showed that her rib cage was misshapen, "Like a pigeon." The doctors believed these problems would eventually end.

Doctors investigate why a young boy's body is not producing the right antibodies to fight off germs and infections; A cancerous tumor which forms between a man's stomach and small intestine must immediately be removed. A woman loses the ability to walk.

A young girl is diagnosed with an extremely rare disease called Trigeminal Neuralgia that causes shock-like pain in the face. A woman searches for answers after she gains 100 lbs. in three months, gets skins tags, horrible acne, and stops menstruating.

Abdominal pains and severe headaches plagued 12-year-old Marissa Irwin until doctors diagnosed her with a retroflexed odontoid and Chiari One Malformation. A firefighter and paramedic is diagnosed with AIDS.

Five-year old Connor Rowley is plagued with a mysterious fever that won't go away. Along with this comes a stomachache that is just as resilient. Doctors are baffled and Connor is getting worse. Can doctors find out what is wrong before it's too late?

Joanne Zeis begins to see things floating in her field of vision. Over the next 17 years, Joanne's symptoms worsen. She suffers from joint pain, mouth ulcers, genital sores, and skin lesions. Will the physicians be able to properly diagnose her in time?