Worldwide Incidence of Alopecia

As much as 2 percent of the world population is diagnosed with Alopecia. The disease manifests in patients who exhibit no other dermatological illnesses and are otherwise healthy. Patients suffering from certain allergies, asthma and hypothyroidism tend to show higher incidence of Alopecia. Men and women are equally affected by the disease, as are all ethnicities and races. Five million Americans currently experience some form of the disease.

While the disease is most common in childhood, it can manifest during the teenage years, as well as into early adulthood or even later in life. Patients exhibited a 44 percent likelihood of developing the disease before the age of 29. Less than 30 percent of patients who developed the disease were over 40 years of age. There are cases of newborn infants exhibiting certain indications of Alopecia, but this is thought to be caused in part by the fact that infants do not possess mature immune systems at birth.

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