AMN, or adrenomyeloneuropathy, is a disorder of the spinal cord that runs in families. An X-linked adrenoleukodystrophy, this is a form of it. People with AMN, on average, start developing characteristics in their late twenties or early thirties. Ataxia, speech difficulties, adrenal insufficiency, sexual dysfunction, and bladder control issues are all possible signs and symptoms. Behavioral abnormalities, vision loss, hearing problems, and/or seizures may occur in people with AMN if their brain has been affected. AMN is caused by mutations in the ABCD1 gene and is passed down exclusively through males. For people with adrenal insufficiency, the treatment is tailored to their specific symptoms and may include steroid replacement therapy. When it comes to Adrenomyeloneuropathy (AMN), it's clear that it runs in families. If the responsible gene is found on the X chromosome, one of the two sex chromosomes, the condition is considered X-linked. One of the two chromosomes found in males and females is known as the Y chromosome. Both sexes have an X chromosome and a Y chromosome, with women possessing two X chromosomes. Because men only have one copy of the X chromosome, a single mutated copy of the disease-causing gene is all that's needed to manifest symptoms. All of a man's daughters will be affected by an X-linked condition, but none of his sons will be. The normal copy of the gene on the other X chromosome may mask the effect of the mutant on women's X chromosome because they have two X chromosomes. Women who only have one mutation are referred to as "carriers." Women who carry the virus typically show no signs of illness or only experience minor symptoms. Some women, however, may be just as badly affected as men by the disease. X-linked conditions are 50% more likely to be passed down to future generations if a woman is pregnant while carrying the condition herself. About 20% of women with one AMN ABCD1 mutation develop stiffness and weakness in their legs later in life, usually in their forties or fifties. Adrenal function is usually normal in these women.