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A new study suggests working shifts night can be damaging one's health. In particular, it increases the risk several cancers, diabetes, mental illnesses, and various heart diseases. Researchers the Sleep Research Centre the U.K.'s University Surrey discovered that many genes the body needed to follow a regular 24-hour cycle, which the body sleeps night. If this cycle is broken, to 1,500 genes could get damaged, eventually resulting potentially life-threatening diseases. Professor Derk-Jan Dijk said: "The study has important implications because we now need to discover why these rhythms exist and think about the consequences that."

The human body has 24,000 genes. Many these switch if the body does not follow a regular sleeping pattern. This can cause parts the immune system to become less efficient, making us more susceptible illnesses. Study co-author Dr Simon Archer said: "Over 97 per cent rhythmic genes become -of-sync with mistimed sleep, which really explains why we feel so bad during jet lag or if we have to work irregular shifts." Dr Dijk said that despite the results the research, it would be difficult people to change their lifestyles. He explained it was difficult society to function people working night shifts, but said people needed to understand the dangers and "mitigate the impact".