King Charles III was briefly hospitalized March 27 amid his ongoing cancer battle, Buckingham Palace said in a statement obtained by E! News.

Patients with trimethylaminuria, or "fish odor syndrome," make too much of a chemical with a strong fishy smell.

The FDA Wednesday approved the first drug to treat people with Prader-Willi syndrome, a rare genetic disease that causes an ...

The U.S. Food and Drug Administration on Wednesday approved Soleno Therapeutics' drug to treat a rare genetic disorder, ...

Most people exposed to the parasites behind babesiosis don't get sick, but for others, the infection can be deadly.

The Archduchess, who lived in Nice, leaves behind her husband  Archduke Carl Christian and their five children.

POLG-related diseases are a group of rare, incurable conditions caused by inherited gene mutations. These disease-causing mutations are carried by up to 2% of people of Northern European descent.

Affected populations: POLG-related diseases are a group of rare, incurable conditions caused by inherited gene mutations. These disease-causing mutations are carried by up to 2% of people of ...

Prince Frederik of Luxembourg, son of Prince Robert and Princess Julie of Nassau, passed away at 22 in Paris due to POLG mitochondrial ... at 22 After Battling Rare Disease ...

Prince Frederik of Luxembourg, 22, succumbed to POLG mitochondrial disease. Despite his struggles, he raised awareness through his foundation.

Prince Frederik of Luxembourg has died at the age of 22. The young royal suffered from the rare genetic disease POLG, which led to progressive organ failure. What exactly is POLG disease?

The POLG Foundation Founder and Creative Director, Frederik," Prince Robert, 56, began. "Last Friday, February 28th, on 'Rare Disease Day,' our beloved son called us in to his room to speak to him ...