Although there is no strong evidence, but the work until late at night is very dangerous. Not only damage the heart rhythm, but also biological function of the body. Hormone melatonin is a stimulant for the development of the tumor, generally produced at night.
People who work at night often make a person subject to the pattern of life. In addition, insomnia attack in theory can also increase the risk of cancer fell ill. Not only that, the system of light when working at night is also believed to be one of the causes of cancer. This is because the light turns out that melatonin can stimulate cancer cell growth. During this in mind and the rest of the rays of light burning into factors that make it easier for someone fell ill cancer.