Jet-lagged mice die young, study finds (Reuters)

WASHINGTON (Reuters) - Jet-lagged mice die younger, researchers said on Monday in a study that suggests that working unusual shifts and flying back and forth across time zones takes a permanent toll on health. 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. Young mice treated in a similar way did just fine, the researchers at the University ...