Alopecia is the loss of hair from parts of the body. More than 50% of women will have experienced noticeable hair loss by age 40. Some 30 million women have experienced hair loss in the United States. By age 60, 80% of women will have experienced noticeable hair loss. Natural life events such as pregnancy and menopause can also bring about hair loss in women. The facts surrounding hair loss in men are a bit more surprising. One in four men begin balding before age 21 and 66% of men experience hair loss by age 35. What Are The Types of Alopecia and What Causes It ? Age, genetics, hormone and other lifestyle factors are the culprits in those who’ve been diagnosed with Alopecia. The most common form of alopecia is known as “androgenetic alopecia.” This type of alopecia is hereditary. Individuals may notice prolonged thinning of hair around the crown of the head or on the hairline. Alopecia areata is an autoimmune condition that happens when the immune system attacks the hair fo