Forms of Hair Loss

Forms of Hair Loss
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Hair loss is a common problem for individuals of all ages. Factors that influence hair loss consist of aging, hormonal imbalances, injuries, toxic substances, and illness, among others. Incidences of hair loss can be temporary or permanent, and result in mild to excessive hair loss. Although hair loss can result from disease and rare abnormalities, some forms of hair loss are common for both men and women.

Androgenic Alopecia

Androgenic alopecia is the term used for male and female pattern baldness. This type of hair loss is the most common form of hair loss and is a factor of hormones and genetic predisposition. Genetics Home Reference states that androgenic alopecia affects an estimated 35 million men in the United States and results from increased levels of hormones called androgens. Medical conditions also play a role in androgenic alopecia, including heart disease, diabetes, obesity, hypertension and polycystic ovary syndrome, among others. Androgenic alopecia results in thinning of the hair throughout the scalp in women and hair loss at the temples and balding forming at the crown of the head on men.

Alopecia Areata

Alopecia areata is an autoimmune disease consisting of the immune system weakening hair follicles and causing loss in hair. This type of hair loss can occur at any age, but most often affects children and adolescents. Nearly 2 percent of the population develops alopecia areata and the condition is not a symptom of any serious disease, states the National Institute of Arthritis, Musculoskeletal and Skin Diseases. Alopecia areata may result from genetic disposition, environmental factors or spontaneous onset, with no clear cause of why. Hair loss is common on the scalp and in most cases does not extend beyond small patches of hair loss.

Telogen Effluvium

Telogen effluvium is a form of hair loss related to changes in the normal hair cycle. This type of hair loss occurs when stress triggers hair in the growth process to prematurely enter a resting stage, otherwise known as the telogen stage, according to the American Osteopathic College of Dermatology. Stressful or tramatic events cause hair follicles prematurely to stop growing and shed. Common causes of this form of hair loss are psychological illness, poor dieting, virus, infections and medications, among others. Hair loss may be just on the scalp or result all over the body, and regrowth usually occurs once the stressors subside.

References

Article reviewed by David Fisher Last updated on: Apr 26, 2011

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