Rare Disorders

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Rare Disorders
Rare Disorders

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What Is Walking Corpse Disorder? Experts Explain This Rare Mental Illness

Medically known as Cotard delusion, this baffling mental disorder causes a person to believe they are dead.

My Constant Insomnia Turned Out to Be a Symptom of a Rare Disorder Called Hypophosphatasia

After doctors couldn't figure out why she was suffering such terrible insomnia, Heather Barrow, 41, did her own research—and she learned she was born with a rare genetic disorder that also affected her mom and teenage daughter.

47-Year-Old Woman Needs a Feeding Tube After Getting Mercury Poisoning From Skin-Lightening Cream

Woman Gets Mercury Poisoning From Using Skin-Lightening Cream, According to CDC

She reportedly used the cream twice a day for seven years.

This Woman's Urine Turned Purple—and That's Actually More Common Than You'd Think

But it's just as alarming as it sounds.

This Baby Born With His Brain Outside of His Skull Is the First to Survive the Rare Condition

Miracle Baby Born With Brain Outside of Skull Believed to Be First to Survive Rare Condition

Doctors told the mother she should get an abortion because her baby wouldn't survive. Now, her son is seven months old.

This Girl's Blood and Skin Turned Blue After Using a Topical Anesthetic—Here's Why

What is Methemoglobinemia? What to Know About the Rare Disorder That Turned One Woman’s Blood Blue

It's a condition called methemoglobinemia, and it can be fatal.

Rare Disorder Causes Severe Head Rushes

This Man’s Stuffy Nose Turned Out to Be a Tooth Growing In His Sinuses

A new article in BMJ Case Reports highlights a rare case of "intranasal retained tooth"—a tooth growing inside a man's naval cavity.

This Woman Woke Up With a Rare Condition That Makes Her Unable to Hear Men’s Voices

This Rare Genetic Disease That Makes It Impossible for Children to Go Outside Finally Has a Cure

There's Now a Cure for Bubble Boy Disease—Here's What That Means

Viral Photo Shows Rare Disease That Made a Woman's Gums Look Exactly Like Strawberries

Did a British Teen Die After Eating Her Own Hair? Here's What to Know About a Rare Condition Called "Rapunzel Syndrome"

The Large, Painful Sores on This Man's Hands Were Caused By An Extremely Rare Inflammatory Disease

It only affects about 10 out of every one million people.

Is Your Doctor Gaslighting You? Here's What to Do

9 Signs It's More Serious Than the Common Cold

How Your Period Changes During Your 20s, 30s, and 40s

Most Recent

What Is Walking Corpse Disorder? Experts Explain This Rare Mental Illness

My Constant Insomnia Turned Out to Be a Symptom of a Rare Disorder Called Hypophosphatasia

Woman Gets Mercury Poisoning From Using Skin-Lightening Cream, According to CDC

This Woman's Urine Turned Purple—and That's Actually More Common Than You'd Think

Miracle Baby Born With Brain Outside of Skull Believed to Be First to Survive Rare Condition

What is Methemoglobinemia? What to Know About the Rare Disorder That Turned One Woman’s Blood Blue

More Rare Disorders

Rare Disorder Causes Severe Head Rushes

This Man’s Stuffy Nose Turned Out to Be a Tooth Growing In His Sinuses

This Woman Woke Up With a Rare Condition That Makes Her Unable to Hear Men’s Voices

There's Now a Cure for Bubble Boy Disease—Here's What That Means

Viral Photo Shows Rare Disease That Made a Woman's Gums Look Exactly Like Strawberries

Did a British Teen Die After Eating Her Own Hair? Here's What to Know About a Rare Condition Called "Rapunzel Syndrome"

The Large, Painful Sores on This Man's Hands Were Caused By An Extremely Rare Inflammatory Disease

Woman Posts Important Warning After Curling Little Sister's Hair Triggers Seizure Symptoms

Two-Year-Old Born Battling Rare Prune Belly Syndrome Needs a New Kidney

3-Year-Old Born With Backward Legs Walks for the First Time in Emotional Viral Video

15-Year-Old Contracts Rare Disease After Getting a Toy Stuck Up Her Nose for Years

16-Month-Old Boy Needs Surgery for Rare Condition that Caused His Tongue to Double in Size

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Rare Disorders

Most Recent

What Is Walking Corpse Disorder? Experts Explain This Rare Mental Illness

My Constant Insomnia Turned Out to Be a Symptom of a Rare Disorder Called Hypophosphatasia

Woman Gets Mercury Poisoning From Using Skin-Lightening Cream, According to CDC

This Woman's Urine Turned Purple—and That's Actually More Common Than You'd Think

Miracle Baby Born With Brain Outside of Skull Believed to Be First to Survive Rare Condition

What is Methemoglobinemia? What to Know About the Rare Disorder That Turned One Woman’s Blood Blue

More Rare Disorders

Rare Disorder Causes Severe Head Rushes

This Man’s Stuffy Nose Turned Out to Be a Tooth Growing In His Sinuses

This Woman Woke Up With a Rare Condition That Makes Her Unable to Hear Men’s Voices

There's Now a Cure for Bubble Boy Disease—Here's What That Means

Viral Photo Shows Rare Disease That Made a Woman's Gums Look Exactly Like Strawberries

Did a British Teen Die After Eating Her Own Hair? Here's What to Know About a Rare Condition Called "Rapunzel Syndrome"

The Large, Painful Sores on This Man's Hands Were Caused By An Extremely Rare Inflammatory Disease

Woman Posts Important Warning After Curling Little Sister's Hair Triggers Seizure Symptoms

Two-Year-Old Born Battling Rare Prune Belly Syndrome Needs a New Kidney

3-Year-Old Born With Backward Legs Walks for the First Time in Emotional Viral Video

15-Year-Old Contracts Rare Disease After Getting a Toy Stuck Up Her Nose for Years

16-Month-Old Boy Needs Surgery for Rare Condition that Caused His Tongue to Double in Size

All Rare Disorders

This Woman Woke Up With a British Accent. Here's What to Know About Foreign Accent Syndrome