Tens of millions of people are living with a rare disease, defined as a condition suffered by fewer than 200,000 people. Global experts have identified more than 7,000 of these conditions, which ...

Scientists have been left scratching their heads for years over some extremely rare diseases - now being no closer to finding a cure now than they were before. These conditions, which affect fewer ...

It's a case of, literally, one hand not knowing what the other is doing. Known as Alien Hand Syndrome (AHS), this rare medical condition causes a person's hand to involuntarily cause havoc, as if it ...

While some mental disorders are comparatively well known, such as anxiety, depression, PTSD, bipolar disorder and schizophrenia, there are other mental conditions that impact few individuals and are ...