This **open access** free ebook is a printed edition co-edited by @was3210 and @jvalaball of the Special Issue titled: "Social Media and Public Health: Opportunities and Challenges". Published in @IJERPH_MDPI https://t.co/v9cQvRA1tr #phdchat #NodeXL #health #AcademicTwitter pic.twitter.com/lLT7RwPOt6 — Social Media Weather Reports (@MediaWeather) November 8, 2021