Some degree of hair loss is normal. As people get older, their hair may naturally start to lose volume and strength.
The American Academy of Dermatology (AAD) points out that people lose 50–100 hairs each day. New hairs then regrows from the same hairs follicles.
Over time, however, some follicles stop producing hairs, and hairs shafts become finer. The hairs also starts to lose its color.
If a person notices significant hair thinning or the development of bald patches, they may be experiencing hair loss. According to ADD, people can stop or treat most causes of hairs loss.
The following sections look at possible causes of thinning hair.
Male or female pattern hair loss
Male pattern baldness and female pattern baldness are together called androgenetic alopecia. Genes and hormones cause androgenetic alopecia.
Androgenetic alopecia is a frequent cause of hair loss. It affects an estimated 50 million men and 30 million women in the United States.
According to the Genetics Home Reference, the likelihood of experiencing androgenetic alopecia increases with age. Although it can affect teenagers, over half of males aged 50 and older have some degree of hair loss. It is most likely to affect females following menopause.
Often, people who have androgenetic alopecia have family members with the same condition.
In males, hairs thinning tends to occur from the hairline to the back of the head. In females, it tends to affect the crown of the head.
Alopecia areata
Alopecia areata is a condition that causes hair loss in round patches on the scalp. It can also affect the eyebrows, beard, and other areas where the hairs is present.
People in the U.S. have a 2.1% chance of developing alopecia areata in their lifetime. It often occurs during childhood. Genes and environmental factors are the main causes.
Read the complete article at Medicalnewstoday.com
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