On October 2, 2019, in order to raise awareness about ACD and encourage everyone to seek out a screening for the disorder, the Foundation for Airway Health has declared the day Global Airway Health Day, or O2 Day. The signs and symptoms often associated with ACD and that should be brought to a health care professional, such as a general care practitioner or dentist, include, but are not limited to: Speech Problems Concentration Problems Behavioral Issues Frequent Colds/Sore T