Sleeping pills taken by millions of people worldwide increase the risk of lung cancer, says a new research.
The study of nearly 30,000 people revealed they raise the risk of cancerous growths in mouth, nose and windpipe.
Researchers said that the more sleep drugs a person takes and the longer they are on them, increases the risk.
People taking sleeping pills at least twice a week are two-and-a-half times more likely to develop cancer of the airways compared with non-users. The risk is ...
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