I’ll just quote a few lines here.
Dr. Russell Blaylock warns that not only do face masks fail to protect the healthy from getting sick, but they also create serious health risks to the wearer. The bottom line is that if you are not sick, you should not wear a face mask.
Several studies have indeed found significant problems with wearing such a mask. This can vary from headaches, to increased airway resistance, carbon dioxide accumulation, to hypoxia, all the way to serious life-threatening complications.
(Wearing a mask increases infection rate of COVID or any illness.) The importance of these findings is that a drop in oxygen levels (hypoxia) is associated with an impairment in immunity. Studies have shown that hypoxia can inhibit the type of main immune cells used to fight viral infections called the CD4+ T-lymphocyte. This occurs because the hypoxia increases the level of a compound called hypoxia inducible factor-1 (HIF-1), which inhibits T-lymphocytes and stimulates a powerful immune inhibitor cell called the Tregs. . This sets the stage for contracting any infection, including COVID-19 and making the consequences of that infection much graver.
https://www.technocracy.news/blaylock-face-masks-pose-serious-risks-to-the-healthy/
The article does have studies at the end of it.
Source: https://www.technocracy.news/blaylock-face-masks-pose-serious-risks-to-the-healthy/
And below, an image of mask effectiveness.
One study found that 81% developed headaches from wearing a face mask. (My wife also reports her coworkers get headaches nearly every day from wearing masks.) (Ong JJY et al. Headaches associated with personal protective equipment- A cross-sectional study among frontline healthcare workers during COVID-19. Headache 2020;60(5):864-877.)
