Human hair growth
The three stages of hair growth are the anagen, catagen, and telogen phases. Each strand of hair on the human body is at its own stage of development. Once the cycle is complete, it restarts and a new strand of hair begins to form. The rate or speed of hair growth is about 1.25 centimetres or 0.5 inches per month, or about 15 centimetres or 6 inches per year.
Let's trim our hair in accordance with the socialist lifestyle
It was broadcast on state-run Korean Central Television in the capital of Pyongyang and clips from the program were later rebroadcast on the British channel BBC One. The program claimed that hair length can affect human intelligence, in part because of the deprivation to the rest of the body of nutrients required for hair to grow. However, although some researchers have proposed that brain and hair are in competition from an evolutionary standpoint, cutting hair has no influence on its rate of growth. It was part of a longstanding North Korean government restriction campaign against haircuts and fashions deemed at odds with "Socialist values".