Look like they are pushing this one hard:
Post link archive (2022) https://archive.ph/gMCtP
"Linking Air Pollution and Heart Disease" (2022)
https://archive.ph/iifPB
"Air pollution is associated with heart attacks in non-smokers" (2022)
https://archive.ph/J7CAS
"Air pollution is harmful to your heart and circulatory system' (2022)
https://archive.ph/t0I5o
(post is archived)