Friedreich ataxia (FRDA) is a progressive neurodegenerative disease caused by severe autosomal recessive genetic disorder of the central nervous (CNS) and peripheral system (PNS), affecting children young adults. Its onset before 25 years age, with mean ages death between 11 38 years, respectively. The incidence 1 in 30,000–50,000 persons. It caused, 97% cases, homozygous guanine-adenine-adenin...