How common is adrenoleukodystrophy?

Adrenoleukodystrophy: Adrenoleukodystrophy is passed down from parents to their children as an x-linked genetic trait. It therefore affects mostly males, although some women who are carriers can have milder forms of the disease. It affects approximately 1 in 20, 000 people from all races. The condition results in the buildup of very-long-chain fatty acids in the nervous system, adrenal gland, and testes, which disrupts.