Yes, masks do protect the wearer. CDC belatedly updates advice

[Kokeshi123]

www.nytimes.com/live/2020/11/10/world/covid-19-coronavirus-live-updates#covid-cdc-guidelines-masks

So can we finally put the "masks only protect other people!" myth to bed?

To be fair it wasn't a myth, it was the best scientific evidence-based conclusion until recently.