Jessica Fein in two pictures with her daughter, Dalia, who died aged 17 after living with MERRF Syndrome. Jessica Fein in two pictures with her daughter, Dalia, who died aged 17 after living with ...

And I didn’t know she had MERRF syndrome, a rare degenerative mitochondrial disease. Dalia was diagnosed with MERRF when she was 5 years old. I didn’t know, and wish I never had to learn ...

The two women reportedly carry genes that cause a condition called MERRF syndrome -- a rare disorder affecting the muscles and nervous system that can result in recurrent seizures, movement issues ...

syndrome Myoclonic epilepsy with ragged red fibers (MERRF) Syndrome Muscular dystrophies. Muscular dystrophies are characterized by progressive weakness in skeletal muscles. These types of ...

Salazar’s older sister, Perla, was born with a rare disorder that affects mobility and hearing, called MERRF syndrome. The 25-year-old has undergone close to a dozen surgeries followed by years ...

The two women are said to have a rare mitochondrial disease called myoclonic epilepsy with ragged red fibres (MERRF syndrome), a condition that could prove fatal if passed onto their offspring.