You probably have loads of friends/family who keep trying to shame you into wearing a mask, even though you keep telling them a) you’re EXEMPT!! and b) THEY DON’T WORK!!!
Well, we all know where THAT conversation leads…
So now you can save yourself the breath, and just give them THIS: A comprehensive list of LOADS of mask studies, let them read for themselves, if they refuse to take your advice and read the evidence, then they can’t expect you to take THEIR advice and do what THEY tell you to do…
Studies Showing Masks Don’t Work…
- Rancourt, D. G. Masks Don’t Work: A review of science relevant to COVID-19 social policy (April 2020) (V. important as this professor references all the main studies that show masks don’t work)
- Denis Rancourt’s VIDEO interview with Del Bigtree about his article and the source papers
- COMMENTARY: Masks-for-all for COVID-19 not based on sound data: CIDRAP (Center for Infectious Disease Research & Policy, Univ. Minnesota) – WITH UPDATE FOLLOWING REQUESTS TO REMOVE ARTICLE!! – with 60 CITATIONS (research studies)
- “Evidence that face masks can provide effective protection against respiratory infections in the community is scarce” – Rational use of face masks in the COVID-19 pandemic – The Lancet – Respiratory Medicine:
- “This study is the first RCT of cloth masks, and the results caution against the use of cloth masks. This is an important finding to inform occupational health and safety. Moisture retention, reuse of cloth masks and poor filtration may result in increased risk of infection.”- Cluster randomised trial of cloth masks compared with medical masks in healthcare workers – BMJ Open
- “we identified 10 RCTs that reported estimates of the effectiveness of face masks in reducing laboratory-confirmed influenza virus infections in the community from literature published during 1946–July 27, 2018. In pooled analysis, we found no significant reduction in influenza transmission with the use of face masks… some studies also reported suboptimal adherence in the face mask group.” – Nonpharmaceutical Measures for Pandemic Influenza in Nonhealthcare Settings—Personal Protective and Environmental Measures (May, 2020).
- The following are a selection of references cited in the last article, above:
- Barasheed O, Almasri N, Badahdah AM, Heron L, Taylor J, McPhee K, et al.; Hajj Research Team. Pilot randomised controlled trial to test effectiveness of facemasks in preventing influenza-like illness transmission among Australian Hajj pilgrims in 2011. Infect Disord Drug Targets. 2014;14:110–6.
- Aiello AE, Murray GF, Perez V, Coulborn RM, Davis BM, Uddin M, et al. Mask use, hand hygiene, and seasonal influenza-like illness among young adults: a randomized intervention trial. J Infect Dis. 2010;201:491–8.
- Aiello AE, Perez V, Coulborn RM, Davis BM, Uddin M, Monto AS. Facemasks, hand hygiene, and influenza among young adults: a randomized intervention trial. PLoS One. 2012;7:e29744.
- MacIntyre CR, Cauchemez S, Dwyer DE, Seale H, Cheung P, Browne G, et al. Face mask use and control of respiratory virus transmission in households. Emerg Infect Dis. 2009;15:233–41.
- MacIntyre CR, Zhang Y, Chughtai AA, Seale H, Zhang D, Chu Y, et al. Cluster randomised controlled trial to examine medical mask use as source control for people with respiratory illness. BMJ Open. 2016;6:e012330.
- US Food and Drug Administration. Masks and N95 respirators, 2018 [cited 2019 Jul 10].
- Centers for Disease Control and Prevention. Respirator fact sheet, 2012 [cited 2019 Jul 10].
- Chughtai AA, Seale H, MacIntyre CR. Use of cloth masks in the practice of infection control—evidence and policy gaps. Int J Infect Control. 2013;9:1–12.
- World Health Organization. Advice on the use of masks in the community setting in Influenza A (H1N1) outbreaks, 2009 [cited 2019 Jul 10].
- Cowling BJ, Chan KH, Fang VJ, Cheng CK, Fung RO, Wai W, et al. Facemasks and hand hygiene to prevent influenza transmission in households: a cluster randomized trial. Ann Intern Med. 2009;151:437–46.
- Cowling BJ, Fung RO, Cheng CK, Fang VJ, Chan KH, Seto WH, et al. Preliminary findings of a randomized trial of non-pharmaceutical interventions to prevent influenza transmission in households. PLoS One. 2008;3:e2101.
- Larson EL, Ferng YH, Wong-McLoughlin J, Wang S, Haber M, Morse SS. Impact of non-pharmaceutical interventions on URIs and influenza in crowded, urban households. Public Health Rep. 2010;125:178–91.
- Simmerman JM, Suntarattiwong P, Levy J, Jarman RG, Kaewchana S, Gibbons RV, et al. Findings from a household randomized controlled trial of hand washing and face masks to reduce influenza transmission in Bangkok, Thailand. Influenza Other Respir Viruses. 2011;5:256–67.
- Suess T, Remschmidt C, Schink SB, Schweiger B, Nitsche A, Schroeder K, et al. The role of facemasks and hand hygiene in the prevention of influenza transmission in households: results from a cluster randomised trial; Berlin, Germany, 2009-2011. BMC Infect Dis. 2012;12:26.
Studies Showing Masks Cause Harm…
- Blaylock: Face Masks Pose Serious Risks To The Healthy (with references to source studies) (11 May 2020)
- “Carbon dioxide (CO2) rebreathing in respiratory protective devices (RPDs) has been highlighted as a key concern regarding respirator use… This paper presents novel findings on the impact of phonic respiration (breathing during speech) and CO2 concentrations in RPDs.” / “The results showed that phonic respiration and low work rates contributed to significantly higher levels of CO2 rebreathing.” Carbon dioxide rebreathing in respiratory protective devices: influence of speech and work rate in full-face masks (21 March 2020)
- “Five studies were included. Wearing RPDs exerted significant respiratory effects, including increased breathing resistance, CO2 rebreathing due to CO2 accumulation in the RPD cavity, and decreased inhaled O2 concentration. We discussed the implications of these effects on the respiratory pathophysiology of panic.” – Impact of respiratory protective devices on respiration: Implications for panic vulnerability during the COVID-19 pandemic
- “Carbon dioxide poisoning (also called hypercapnia or hypercarbia) results from high levels of carbon dioxide in the blood. Carbon dioxide poisoning often occurs […] from […] contamination of the air supply with exhaled gases, which can cause a carbon dioxide build-up. Carbon dioxide levels in the blood may increase, causing shortness of breath and drowsiness, resulting in carbon dioxide toxicity. Symptoms […] include nausea, vomiting, dizziness, headache, rapid breathing, fast heart rate, and flushing (warmth, redness, or tingling of the skin). Symptoms of severe cases […] may include confusion, convulsions, and loss of consciousness.” – Symptoms and Signs of Carbon Dioxide Poisoning (3/11/2019)
- Respirator masks impact performance, a review
- Dangers of wearing masks in the heat
- Effectiveness of surgical and cotton masks in blocking SARS-CoV-2 (retracted, and only used 4 subjects)
- Primary Doctor Medical Journal – Masks, False Safety and Real Dangers
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