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

Australian researchers are providing new hope for a cruel killer disease with royal connections. Called mitochondrial disease, it affects as many as one in 2000 Australians and is deadly when it robs ...

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

Commissioned by Frederik’s mother, Princess Julia of Nassau, to helm an educational short film about the disease with ...

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

The prince had PolG disease, a genetic mitochondrial disorder that prevents the body's cells from producing adequate energy.

Prince Frederik of Luxembourg's family has shared a poignant new photo of the late royal taken before his death at the age of ...

Mei Fa Tan spoke exclusively to Us Weekly about what it was like to work with Luxembourg’s Prince Frederik before his death ...

The Department of Homeland Security has been ordered by a federal judge to release Prince Harry's immigration records under the Freedom of Information Act (FOIA).