Work at night may cause cancer

A recent study concluded that there is a relationship between the risk of cancer
and bouts of night work, pointing
out that smoking remains the most prominent causes of this disease.According to a study of the International Cancer Research, the World Health Organization will announce in the next month classification of night work as the cause of the disease threat to several million, representing about 20% of the workforce in various parts of the world.He described Richard Stevens, the international expert in this field results of the study as a sudden shift, pointing out that he conducted a study in 1987 concluded that the link between exposure to light continuously during the night and the incidence of breast cancer.Other studies also found that men who work at night are susceptible to other types of cancer, including prostate cancer.For its part, expressed the American Cancer Society is ready to add night shift work bites of cancer after the publication of all details of the study prepared by the International Cancer Research.Other experts also said that there was already a relationship between cancer and work shifts, but their opinion is not the cause of injury. Experts have attributed this relationship to work that night destroy the biological clock of the human person, in addition to the lack of secretion of the hormone melatonin, which is concentrated during sleep at night.The experts recommend that owners in this area of ​​night work shifts with use of melatonin supplements for long periods, which may stop the body's natural hormone secretion.Rates as a lack of sleep during the night in a negative impact on human immunity and its ability to cope with diseases.Experts can not find in this study, no escape from freedom from bouts of night work, but at the same time pointing to the need for a balance of exposure to light and darkness, where it is recommended that workers slept the night in dark rooms after their return from work.