Open a window: It’s the best thing you can do for your health when stuck at home

This month marks five years since the pandemic began, and here are 5 things that changed permanently.

They're pushing for more funding to find effective treatments. Researchers are finally starting to make headway but have a way to go.

“It’s significant for reducing asthma exacerbation, heart disease and heart attacks,” said Marilyn Howarth of UPenn’s Center of Excellence in Environmental Toxicology.