How to properly adjust the cannula to the patient and why is it so...

Choosing a cannula may seem like a very simple matter, but in fact it is not. Well, there are many models of such products on the market that differ from...

How to unclog a clogged ear?

You hear sounds as if they are reaching you from behind the glass, but you can't see any. It seems to you that your interlocutor suddenly started talking in a...