A. Airway
B. Breathing
C. Circulation

For the actual science regarding wearing a facemark, visit https://www.askdrbuttar.com/facemask

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Masks and respirators do not work. There have been extensive randomized controlled trial (RCT) studies, and meta-analysis reviews of RCT studies, which all show that masks and respirators do not work to prevent respiratory influenza-like illnesses, or respiratory illnesses believed to be transmitted by droplets and aerosol particles.

 It would be a paradox if masks and respirators worked, given what we know about viral respiratory diseases: The main transmission path is long-residence-time aerosol particles (< 2.5 μm), which are too fine to be blocked, and the minimum-infective-dose is smaller than one aerosol particle.

The present paper about masks illustrates the degree to which governments, the mainstream media, and institutional propagandists can decide to operate in a science vacuum, or select only incomplete science that serves their interests. Such...

Cloth face coverings protect others if the wearer is infected with SARS CoV-2 and is not aware. Cloth masks may offer some level of protection for the wearer. Evidence continues to mount on the importance of universal face coverings in interrupting the spread of SARS-CoV-2. Although ideal, universal face covering use is not always possible in the school setting for many reasons. Some students, or staff, may be unable to safely wear a cloth face covering because of certain medical conditions (eg, developmental, respiratory, tactile aversion, or other conditions) or may be uncomfortable, making the consistent use of cloth face coverings throughout the day challenging.

Excellent Episodes on current topics... vaccines, masks, pandemic, covid...  previous podcasts available. 

God engineered into our bodies the one and only way to combat a cold virus: HERD IMMUNITY, and the HUMAN IMMUNE SYSTEM.  He gave us what we need.

Letter to School Board with recommendations for reopening. Information on Covid and Masks.

There have been extensive randomized controlled trial (RCT) studies, and meta-analysis reviews of RCT studies, which all show that masks and respirators do not work to prevent respiratory influenza-like illnesses, or respiratory illnesses believed to be transmitted by droplets and aerosol particles.

Conclusion Regarding That Masks Do Not Work
No RCT study with verified outcome shows a benefit for HCW or community members in households to wearing a mask or respirator. There is no such study. There are no exceptions.

Likewise, no study exists that shows a benefit from a broad policy to wear masks in public (more on this below).

Furthermore, if there were any benefit to wearing a mask, because of the blocking power against droplets and aerosol particles, then there should be more benefit from wearing a respirator (N95) compared to a surgical mask, yet several large meta-analyses, and all the RCT, prove that there is no such relative benefit...

Chart Larger version   Each pathogen has its own peculiarities. But basically all pathogens are transmitted through direct contact . Most of the pathogens are deposited on surfaces in our environment. There they remain infectious for only a few minutes to hours (cannot be equated with demonstrable [ NEJM, 3/17/20 ]). But in everyday life we ​​are in constant contact with our environment. And so germs from our environment get on our hands constantly. 

• If you have no symptoms (cough, runny nose), you do not have to wear a mask to protect others.
• Masks reduce the risk of transmission of a sick person when they cough.
• In the hours before the onset of symptoms, in which a person can be contagious through contact, this contagion is not prevented by...

In this review, we did not find evidence to support a protective effect of personal protective measures or environmental measures in reducing influenza transmission.

Disposable medical masks (also known as surgical masks) are loose-fitting devices that were designed to be worn by medical personnel to protect accidental contamination of patient wounds, and to protect the wearer against splashes or sprays of bodily fluids (36). There is limited evidence for their effectiveness in preventing influenza virus transmission either when worn by the infected person for source control or when worn by uninfected persons to reduce exposure. Our systematic review found no significant effect of face masks on transmission of laboratory-confirmed influenza.

We did not consider the use of respirators in the community. Respirators are tight-fitting...

We do not recommend requiring the general public who do not have symptoms of COVID-19-like illness to routinely wear cloth or surgical masks because:

• There is no scientific evidence they are effective in reducing the risk of SARS-CoV-2 transmission
• Their use may result in those wearing the masks to relax other distancing efforts because they have a sense of protection
• We need to preserve the supply of surgical masks for at-risk healthcare workers.

Tampa mayor Jane Castor is off to a hot start this week in her war against maskless Buccaneers fans and her own history of using a mask, especially during championship celebrations. Leave it to the Internet to dig into Ms. Castor’s history to get a better look at how she’s handled herself over the last several months. It turns out, she’s a hypocrite.

ESPN Article  

Before the Super Bowl, masks were only required indoors. Starting Sept. 25, as part of the state's Phase 3 reopening plan that allowed bars and restaurants to open at 100% capacity, Florida Gov. Ron Desantis banned localities from collecting fines from individuals not wearing masks. Castor had disagreed with the governor on this, believing local municipalities should be determining the rules most appropriate for their cities and counties. She also had disagreed...

1] cause hypoxia in some patients; (Hypoxia is a condition in which the body or a region of the body is deprived of adequate oxygen supply at the tissue level. Hypoxia may be classified as either generalized, affecting the whole body, or local, affecting a region of the body.​)

2] cause hypercapnia in those same patients; (Hypercapnia is generally caused by hypoventilation, lung disease, or diminished consciousness. It may also be caused by exposure to environments containing abnormally high concentrations of carbon dioxide, such as from volcanic or geothermal activity, or by rebreathing exhaled carbon dioxide.​)

3] impair one’s immunity; harmful respiratory viruses (and bacteria as well – good ones and bad ones) when exhaling (thus forcing the viruses – and the bacteria – to be rebreathed again and again instead of being excreted from the body’s respiratory system...

A review of the science.