The human body seems to have some very specific problems with substances we’ve been using for thousands of years, and yet we rarely know why these substances affect us so.
Pepper is one of these substances with a very specific effect on the human body- it makes us sneeze. But why does this cooking spice bring out the ha-choo in humans?
This very informative video by Hank Green for the SciShow explains the pepper sneezing connection and touches on pepper's medicinal properties.
-Via Laughing Squid