Please wear a mask

Please. Wear a mask when you are outdoors and around others.

Yes, wearing masks helps. Here's why. Maria Godoy, Minnesota Public Radio, June 21, 2020.

More.

Even more: 

• Face masks work. They need to be mandatory.
• Do cloth face masks really work? We tested them in the lab.
• Still Confused About Masks? Here’s the Science Behind How Face Masks Prevent Coronavirus. 
• Face masks don’t even have to work especially well to be effective. 

No, face masks don't lower oxygen intake or put you at risk of carbon dioxide poisoning.

Updated: July 20, 2020.