A study found that pre-pandemic air pollution reduced COVID-19 vaccine antibody responses. In people without prior infection, exposure to fine particulate matter (PM2.5), nitrogen dioxide (NO2), and black carbon decreased…

A study found that pre-pandemic air pollution reduced COVID-19 vaccine antibody responses. In people without prior infection, exposure to fine particulate matter (PM2.5), nitrogen dioxide (NO2), and black carbon decreased…
Human exposure to microplastics is a possible health concern, but little is known about its extent. Microplastics are tiny pieces of plastic less than five mm (0.2inches) in size. Scientists…