Observational studies (and even some randomized controlled trials) suggest a benefit to paper masks, but there is no high-level, conclusive evidence that these masks meaningfully reduce COVID-19 transmission.... Read More
What You Need to Know to Optimize Your Health
Observational studies (and even some randomized controlled trials) suggest a benefit to paper masks, but there is no high-level, conclusive evidence that these masks meaningfully reduce COVID-19 transmission.... Read More