TIL the "nasal cycle" is the biological process that automatically switches the bulk of breathing from one nostril to the other throughout the course of the day - and it explains why those with colds will often feel more stuffed up on one side at any given time.

http://mentalfloss.com/article/30363/why-does-your-nose-get-stuffy-one-nostril-time



Submitted March 19, 2015 at 12:29AM by sneakyburrito http://www.reddit.com/r/todayilearned/comments/2zhy6p/til_the_nasal_cycle_is_the_biological_process/