Think your seasonal allergies are bad? Some people are allergic to water, cold temperatures, or even exercise. Explore the science behind the world's rarest allergies.

Rare diseases - a medical condition so obscure that even your doctor has to Google. Despite their name, these diseases collectively impact millions of Americans, creating a healthcare system that’s ...

When it comes to health, most of us are familiar with the usual suspects: fevers, colds, maybe a sprain or two. But the human body and brain are capable of some truly strange malfunctions that sound ...

DAKAR, Senegal — Ndeye Lam visits the cemetery often, praying and gently touching the seashells laid out across her daughter’s gravesite. “Mariama will always be here,” she said, stepping away from ...

The decision-making body of the World Health Organization (WHO) has adopted a resolution to establish a global framework to support the diagnosis and management of rare diseases and promote research ...

An England-wide study of over 58 million people has identified eight rare diseases that carry significantly increased risks for COVID-19-related mortality in fully vaccinated individuals. This ...

The seven-year medical odyssey that once defined rare disease diagnosis is being rewritten by algorithms capable of identifying medical zebras in the time it takes to refresh your social media feed.

Catherine Illingworth, 39, knew something was wrong the moment her son's neurologist walked into the room. Illingworth requested the referral from her son's pediatrician based on instinct. George took ...