Alopecia is a familiar term used for hair loss or hairlessness, shaped due to a number of reasons. Hair loss may occur due to more than one cause and the pattern of baldness is also diverse in each of the cases.
Most normally, hair loss happens together in male and female due to the hormonal changes.In case of men, the difficulty of baldness is extra and this is due to the hormone, androgen. Also, in women, hairlessness is not seen more importantly as in men, but thinning of hair may happen due to hormonal inequity or other outside conditions. Alopecia may happen even due to heritable reasons.