Symptoms of the disease

• The partial or general loss of hair or fur ;
• Alopecia can set in acutely or gradually.

Warning signs that may be linked toalopecia : dull hair, itchy scalp, painful roots, excess sebum or appearance of dandruff.

People at risk

• Family history. men with a family member doing baldness are more likely to do so too. Researchers have discovered Genoa involved in baldness on chromosome 20 (transmitted from the father or mother), as well as on the X chromosome (transmitted from the mother). The X chromosome variant concerns genes involved in the functioning of male sex hormone receptors (androgens);
• The Caucasians are at greater risk of baldness than Asians, Native Americans and Africans.

Risk factors

L’heredity is a risk factor in androgenetic alopecia and a history of autoimmune disease may be associated with alopecia areata.