King Charles III was briefly hospitalized after experiencing side effects from his ongoing cancer treatment. Buckingham ...

Prince Harry and longtime friend Prince Seeiso of Lesotho made the shocking announcement that they're stepping down from ...

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

POLG-related diseases disrupt the function of the mitochondria, or "powerhouses" of the cell — starving them of energy.

Cladribine can help people with the active relapsing-remitting version of the disease, as well as more severe, highly active MS, for which it is already used, says drug advisory body NICE. Broadening ...

Prince Frederik of Luxembourg, who died at 22, spoke about the rare genetic disorder he navigated in a video released by The PolG Foundation he founded.

Prince Frederik of Luxembourg died on Feb. 28 after years of being diagnosed with a rare mitochondrial disease, according to a statement issued over the weekend by his parents, Prince Robert and ...