Commonly prescribed sleeping pills are linked to manifold risk of premature death, says a study. These medications were also associated at higher doses with a 35-percent increased risk of cancer as compared with non-users, but the reason for this is unclear. Doctors led by Daniel Kripke of the Scripps Clinic Viterbi Family Sleep Center in La Jolla, California, looked at the medical records of more than 10,500 adults living in Pennsylvania who were … full story