Men have greater cancer risk because of biology NOT because they drink and smoke more, study claims

The study looked at 300,000 middle-aged Americans over 15 years. Men were more than twice as likely to develop the disease – even when lifestyle factors were ruled out.The study looked at 300,000 middle-aged Americans over 15 years. Men were more than twice as likely to develop the disease – even when lifestyle factors were ruled out.Read MoreHealth News | Mail Online