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50% of males, 25% of females (pattern hair loss by age 50) [ 4][ 6] Hair loss, also known as alopecia or baldness, refers to a loss of hair from part of the head or body. [ 2] Typically at least the head is involved. [ 4] The severity of hair loss can vary from a small area to the entire body. [ 7] Inflammation or scarring is not usually ...
Dermatology. Non scarring hair loss, also known as noncicatricial alopecia is the loss of hair without any scarring being present. [ 1] There is typically little inflammation and irritation, but hair loss is significant. This is in contrast to scarring hair loss during which hair follicles are replaced with scar tissue as a result of inflammation.
Sensorineural hearing loss ( SNHL) is a type of hearing loss in which the root cause lies in the inner ear, sensory organ ( cochlea and associated structures), or the vestibulocochlear nerve ( cranial nerve VIII). SNHL accounts for about 90% of reported hearing loss. [citation needed] SNHL is usually permanent and can be mild, moderate, severe ...
The same review also showed the prevalence of hair loss increases with age — approximately 12 percent of women aged 20 and 29 years experience hair loss, while over 50 percent of women over the ...
After menopause, women lose estrogen and hair.”. It’s normal to lose 50 to 150 hairs per day. That may seem like a lot, but most people have about 100,000 hairs on their heads at any given ...
Alopecia areata, also known as spot baldness, is a condition in which hair is lost from some or all areas of the body. [ 12][ 1] It often results in a few bald spots on the scalp, each about the size of a coin. [ 7] Psychological stress and illness are possible factors in bringing on alopecia areata in individuals at risk, but in most cases ...
Dermatology. Scarring hair loss, also known as cicatricial alopecia, is the loss of hair which is accompanied with scarring. This is in contrast to non scarring hair loss . It can be caused by a diverse group of rare disorders that destroy the hair follicle, replace it with scar tissue, and cause permanent hair loss.
Cutis verticis gyrata is a medical condition usually associated with thickening of the scalp. [ 1] The condition is identified by excessive thickening of the soft tissues of the scalp and characterized by ridges and furrows, which give the scalp a cerebriform appearance. Clinically, the ridges are hard and cannot be flattened on applying pressure.