Most folks groan when the time comes to either "spring forward" or "fall back" an hour, with the waxing and waning of daylight saving time. But that one-hour time shift -- which occurs at 2 a.m. Sunday -- is more than just a minor annoyance, experts say. Research has shown that deliberately messing with our internal clock twice a year increases our risk of accident, illness and death. That's why the American Academy of Medicine has called for an end to daylight saving time, arguing that permanent adoption of standard time is best for improving people's health.
