70
TIL that asthma is the most common chronic illness among Olympians.
(allergyasthmanetwork.org)
You learn something new every day; what did you learn today?
/c/til is a community for any true knowledge that you would like to share, regardless of topic or of source.
Share your knowledge and experience!
Rules
When was the last time the Olympics was in a location that didn't have air pollution?