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

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 ...

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

Two weeks after Prince Frederik of Luxembourg died from POLG, a documentary filmmaker has revealed that the 22-year-old struggled to "get up by himself" as he battled the rare genetic disorder in an ...

Prince Frederik of Luxembourg, son of Prince Robert and Princess Julie of Nassau, passed away at 22 in Paris due to POLG mitochondrial disease. Diagnosed at 14, Frederik advocated for research and ...

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

The filmmaker who chronicled Prince Frederik of Luxembourg’s battle with the rare genetic disorder PolG has shared her experience working with the royal, who passed away on Mar. 1 at 22.

Prince Frederik, the second cousin of the heir to the Luxembourg throne, discovered at age 14 that he had a mutation in his ...

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