What do you know about alopecia areata? Unless you have been formally diagnosed by a doctor for this condition, you may not know if you have it. Yet, it is one of the most common reasons women lose hair. It can impact both men and women. More than 200,000 new cases are diagnosed in the United States each year. For women who are wondering about it or what it could mean for them, there are some important things you should know about it. Consider a quick look at what can happen to individuals who have this condition.