Mice, jet-lag, death... nothing to do with marketing

Excuse me if you think this is frivolous, but a strange morsel of information came across my desk today. How can you live without knowing? This article from researchers at the University of Virginia explains how the jet-setter lifestyle may really be the death of you. One of the key findings:

Tests on more than 100 mice showed that old mice forced to live on a confusing schedules of light and darkness, simulating rotating shifts or international travel, died sooner than those on gentler schedules.