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Fascinating, mysterious, and medically amazing case files. This series is the most interesting education into the world of medicine and disease and the human body.

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After fish pedicure, woman loses her toenails

A doctor said it was all in her head, but it was 'the most common condition you've never heard of'

Woman's selfies capture moving lump on face: a parasite

A stock image of a green laser pointer.

Laser pointer burns hole in boy's retina

Couple finds worms in their feet after a beach vacation

Teen develops 'wet lung' after vaping for just 3 weeks

Woman's runny nose was actually fluid from inside her brain

JAKARTA, INDONESIA - APRIL 15: An apitherapy practitioner administers a bee sting to the hand of a patient at Cibubur Bee Center on April 15, 2007 in Jakarta, Indonesia. Bee acupuncture or apitherapy, is an alternative healing practice where bee stings are used as treatment for various conditions and diseases. Apitherapy, which was first practiced in China, has developed as a popular alternative healing method in Indonesia. (Photo by Dimas Ardian/Getty Images)

Live bee sting acupuncture is deadly for Madrid woman

CT showing osteoma in paranasal sinus causing defect resulting in right pneumatocoele.

Doctors find air pocket hidden in man's brain

Abdominal radiographs showed hyperdense, serpiginous, symmetric lesions (Panel A).

Surgical sponges left inside woman for at least 6 years

'I looked at it, and it was moving': Worm in woman's eye leads to unique discovery

Couple finds worms in their feet after a beach vacation

02 screw skull accident

Boy's skull pierced with screw in treehouse-building accident

Holding in a sneeze can be a literal pain in the neck

Man dies after swimming with new tattoo

Man's lung tumor turns out to be a toy he swallowed 40 years ago

The Moon is seen passing in front of the Sun during a solar eclipse from Ross Lake, Northern Cascades National Park, Washington on Monday, Aug. 21, 2017. A total solar eclipse swept across a narrow portion of the contiguous United States from Lincoln Beach, Oregon to Charleston, South Carolina. A partial solar eclipse was visible across the entire North American continent along with parts of South America, Africa, and Europe.

New imaging finds crescent-shaped eye damage in woman who viewed eclipse

Abul Bajandar, 26, dubbed "Tree Man" for massive bark-like warts on his hands and feet, sits at Dhaka Medical College Hospital in Dhaka on January 31, 2016. A Bangladeshi autodriver dubbed "Tree Man" for massive bark-like warts on his hands and feet will finally have surgery to remove the growths that first appeared 10 years ago, a hospital said on January 31, 2016. The massive warts, which first started appearing when he was a teenager but began spreading rapidly four years ago, have been diagnosed as epidermodysplasia verruciformis, an extremely rare genetic skin disease that makes the person vulnerable to warts.

Bangladesh's 'Tree man' has his hands back

Nearly 12 pounds worth of metal objects including 263 coins and 100 nails were removed.

Indian surgeons remove 263 coins, 100 nails from man's stomach

The woman who sweats blood from her palms and her face

Mary Todd Lincoln, wife of Abraham Lincoln, the 16th President of the United States, dressed for his inauguration.

What was behind Mary Todd Lincoln's bizarre behavior?

It wasn't spinach that caused man's 'Popeye' arm

Doctors find 27 contact lenses in woman's eye

Wesley Warren wore a zip-up hoodie on his bottom half because he couldn't fit into pants with his enlarged scrotum.

'The man with the 132-pound scrotum': Unraveling the medical mystery

Dentist and orthodontist concept. Closeup of woman showing teeth with blue braces, making funny silly face; Shutterstock ID 666555199

Piece of dental braces removed from woman's intestine after 10 years

In this photograph taken on January 30, 2017, Bangladeshi patient Sahana Khatun, 10, poses for a photograph at the Dhaka Medical College and Hospital.
A young Bangladeshi girl with bark-like warts growing on her face could be the first female ever afflicted by so-called "tree man syndrome", doctors studying the rare condition said January 31. Ten-year-old Sahana Khatun has the tell-tale gnarled growths sprouting from her chin, ear and nose, but doctors at Dhaka's Medical College Hospital are still conducting tests to establish if she has the unusual skin disorder. / AFP / STR (Photo credit should read STR/AFP/Getty Images)

Young girl diagnosed with 'tree man' syndrome in Bangladesh

Runners cross the Verrazano-Narrows Bridge at the start of the TCS New York City Marathon on November 1 in New York City.

Weird, gross and unexpected things that happen when you run

Doctors thought she was psychotic, but her body was attacking her brain

BRISTOL, UNITED KINGDOM - MARCH 10: A real human brain being displayed as part of new exhibition at the @Bristol attraction is seen on March 8, 2011 in Bristol, England. The Real Brain exhibit - which comes with full consent from a anonymous donor and needed full consent from the Human Tissue Authority - is suspended in large tank engraved with a full scale skeleton on one side and a diagram of the central nervous system on the other and is a key feature of the All About Us exhibition opening this week. (Photo by Matt Cardy/Getty Images)

A medical mystery: Cluster of patients struck with rare amnesia

A 'family curse': First insomnia, then death

A 'disorder of deception': When a mom makes her child sick

Old tattoo to blame for woman's 'cancer'