what causes symptoms when a person is exposed to cold temperatures?

Question

Obviously, diseases like the cold and flu are cause by viruses, so weather alone wouldn’t cause it. So why do we get runny nose, sneezing, and other symptoms when we go out in the cold without a jacket?

In: 37

Answer 1

moving from extreme temperatures (hot to freezing or vice versa) is jarring to the nerves. Runny nose occurs because of dry air. Vasodilation may also cause these