Scientists Figured Out Why We Feel Colder as We Age—and It’s Not What You Think

If you’ve ever lived with your grandparents or other seniors, you may have had some squabbles over the temperature setting being too low. That’s often because people feel more sensitive to the cold as they age. Research out this week appears to have figured out a key reason why this happens.

Scientists at the City of Hope Medical Center in California studied brown fat cells in mice. They found evidence these cells…