Rare Disorders, Explained

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Rare Disorders, Explained

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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.

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.

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.

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.

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

A woman took to Facebook to share how her little sister experienced a rare condition that caused seizure-like symptoms after having her hair curled. Here's what you need to know.

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

Two-year-old will receive a kidney from a woman who had been following his story on social media.

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

A "miracle" surgery changed this little girl's life.

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

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

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

She couldn't understand what her boyfriend was saying—all because of a rare illness.

Most Recent

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

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

More Rare Disorders

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

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

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

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

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

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

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

Rare Disorder Causes Severe Head Rushes

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Rare Disorders, Explained

Most Recent

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

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

More Rare Disorders

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

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

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

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

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

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

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

Rare Disorder Causes Severe Head Rushes