And despite the memes and medical claims made on social media, do they really?
Masks do not cause hypoxemia, a condition characterized by low oxygen supplies to the arteries, either.
But the feeling of obstruction is because we are not used to using the mouth mask.

We need to protect those at risk, in particular those with fragile airways."
And if you don’t like it?
In other words, don’t go out.

Just about every licensed health care professional out there says absolutely nothing.

