Leigh syndrome is a severe genetic disorder that leads to potentially fatal respiratory failure, brain abnormalities and loss of muscle strength. In most cases, enzyme defects are thought to cause ...

Diagnosed with a mitochondrial disease (Leigh Syndrome) in 2014 with other diagnoses to follow, Alexis, 15, has had to adjust ...

Leigh syndrome is a rare mitochondrial disease particularly affecting the organs and tissues that require most energy: the ...