For how we live.
Fine particulate exposure in seven Amazonian capitals was tied to about 5,472 circulatory and 2,621 respiratory deaths over six years. A separate analysis finds cardiac mortality rising with forest loss.
Two February papers put respiratory virus activity into the models. One finds pollution effects amplified at peak influenza; the other finds them attenuated when rhinovirus is high.
Cedars-Sinai counted a 118% rise in general-illness visits and a 46% rise in heart attack visits over the 90 days after the fires started. Abnormal blood results more than doubled.