Today, our guest speaker was Erica Fenton, founder and owner of Fenton Speech and Voice. 
Vocal hygiene is something you most likely don't give particular attention to unless/until you encounter problems with hoarseness, fatigue, or strain. Erica's presentation highlighted the points of the attached "Vocal Hygiene" handout.
To learn more about this and related topics, visit the website: https://www.fentonspeech.com/