> For people with underlying heart disease, a 2017 study in the journal Environmental Research linked increased particulate air pollution from wood smoke and other sources to inflammation and clotting, which can predict heart attacks and other heart problems.
> A 2013 study in the journal Particle and Fibre Toxicology found exposure to wood smoke causes the arteries to become stiffer, which raises the risk of dangerous cardiac events. For pregnant women, a 2019 study in Environmental Research connected wood smoke exposure to a higher risk of hypertensive disorders of pregnancy, which include preeclampsia and gestational high blood pressure.
https://www.heart.org/en/news/2019/12/13/lovely-but-dangerou...