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Pattern hair loss (also known as androgenetic alopecia (AGA) [1]) is a hair loss condition that primarily affects the top and front of the scalp. [2] [3] In male-pattern hair loss (MPHL), the hair loss typically presents itself as either a receding front hairline, loss of hair on the crown and vertex of the scalp, or a combination of both.
4. Not Enough Vitamin D. You shouldn’t get too much sun, but some vitamin D exposure is essential.A review of studies found that people with certain autoimmune diseases may have a vitamin D ...
[5] [6] Alopecia areata may be treated by steroid injections in the affected area, but these need to be frequently repeated to be effective. [4] Hair loss is a common problem. [4] Pattern hair loss by age 50 affects about half of men and a quarter of women. [4] About 2% of people develop alopecia areata at some point in time. [4]
3. Diet. You are what you eat — and what you eat (or don’t eat) can affect your hair health. Certain diets, particularly those that lead to deficiencies in minerals and vitamins such as ...
People are generally otherwise healthy. [7] In a few cases, all the hair on the scalp is lost (alopecia totalis), or all body hair is lost (alopecia universalis). Hair loss can be permanent, or temporary. [7] [1] Alopecia areata is believed to be an autoimmune disease resulting from a breach in the immune privilege of the hair follicles.
Alopecia areata is somewhat common in children and teenagers (most people get it in their teens, 20s or 30s) and might be the result of an immune reaction to one’s own hair. Telogen Effluvium
A clinician grabs sections of hair and observes for active hair loss. A positive pull test is usually caused by telogen effluvium, androgenetic alopecia, and alopecia areata. [10] Tug Test. A doctor holds the top and bottom of a strand of hair and observes for a break in the middle which may be caused by a hair shaft abnormality. [10] Card Test
Alopecia universalis (AU), also known as alopecia areata universalis, is a medical condition involving the loss of all body hair, including eyebrows, eyelashes, chest hair, armpit hair, and pubic hair. It is the most severe form of alopecia areata (AA). [1]