When daylight saving time ends and clocks shift back an hour, even this small change can disrupt your body’s rhythm, explains Dr London.

An elevated blood glucose level one hour after the oral glucose tolerance test (OGTT) signals a critical metabolic state – even before prediabetes. Affected individuals respond particularly well to ...

Get ready to change your clocks back again, as daylight saving time ends early next month. In November, clocks will "fall back" to standard time, where they will remain until next spring. For some ...

Correction & clarification: A prior version of this story misstated the origin of the U.S. law on daylight saving time. Many countries around the world and most of the United States still observe the ...