No, Wearing a Face Mask Does Not Weaken Your Immune System
Argh! I am tired of hearing that wearing a face mask will either 1. Reduce your lung capacity, 2. Give you carbon dioxide poisoning or 3. Weaken your immune system and make you sick.
Let’s address the third one. The argument is that because a mask reduces the number of microbes coming into your body, it results in your immune system getting lazy.