1skepticalguy t1_izaa6cr wrote on December 7, 2022 at 5:12 PM

Reply to comment by WellIllBeJiggered in A new study focuses on the crucial question of why people are more vulnerable to catching colds during the months of winter. The answer hinges on an evolved defense system, innate to the human nose, that is numbed by frigid temperatures. by BoredMamajamma

This is literally why people in most Asian countries wear masks in public if they even feel slightly ill. It's considered to be the polite thing to do to protect others.