As part of the circadian rhythms that act as our 24-hour body clock and govern many aspects of our physical and mental states, our body temperature begins to decline when bedtime approaches.

Your body temperature might seem like just another vital sign, but it quietly reveals more than most people realize. From metabolism to mood, fluctuations in your temperature can serve as a hidden ...

New multidisciplinary research shows that the brain forms memories of cold experiences and uses them to control our metabolism. The study shows that cold memories form in the brain -- and map out how ...