Hair loss can be brought about by several factors including severe illness, malnutrition, vitamin deficiency, postpartum pregnancy, and endocrine disturbances to name a few.The most common type of hair loss in both sexes is Androgenetic Alopecia (AGA). Male Pattern balance is its common name. AGA requires three conditions for it to occur, (1) a gene, (2) a hormone, (3) and time.
AGA cannot occur without the presence of a single dominant “hair loss” gene that can be passed to a child from either parent. Thus, any child has a 50% chance of inheriting the trait for baldness if one of the parents carries the gene for baldness. To put it simply, if your father or uncles on either side of the family are bald then you have a greater possibility of going bald yourself.
Hormones are biochemical substances that are made in different glands in the body and are released into the bloodstream to exert their effects throughout the body. Testosterone is the major male sex hormone and this same hormone is responsible for the pubertal changes like change in voice, growth of axillary and pubic hair and is also responsible for the signal to induce baldness in genetically predisposed individuals.
Time is another factor to consider in balding individuals. Baldness develops differently from one individual to another. It has been noted that Caucasians start losing their hair at around 20 years of age and stops at around the ages of 35-40 years old while Asians start losing their hair in the late 20’s or early 30’s and stabilize at around 40-42 years of age.
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