Make sure to wear a P100 mask instead of an N95 mask or lower, and to eat outdoors. Both of those things are cheap and well worth avoiding the risk of brain damage, which remains difficult to estimate due to vague or unreliable publications. Anyone wearing an inadequate mask will probably catch the virus again anyway, so there's not much point in worrying about the one-way valve.
In the meantime, at least we can still mask. If only anyone would tell us to do that.