Sign up for our free Health Check email to receive exclusive analysis on the week in health Get our free email Please enter a valid email address SIGN UP I would like to be emailed about offers, events and updates from The Independent. In the first study of its kind, experts explored how the odds of survival can be improved through exercise, a healthy diet, getting enough sleep and not smoking. Meanwhile, people with unhealthy lifestyles have a 78% increased chance of early death, regardless of their genetic risk.