Explanation: Face masks help to limit contact with infectious droplets which carry pathogens. However, the material used for face masks are still porous enough to allow gas molecules, such as carbon dioxide and oxygen, to pass through, and do not significantly impair gas exchange to the point of causing hypercapnia. No scientific evidence supports the claim that the use of face masks weakens the immune system.Read the Full Article (Science Feedback)
This false claim originated from: Facebook users, Facebook
The #CoronavirusFacts database records fact-checks published since the beginning of the COVID-19 outbreak. The pandemic and its consequences are constantly evolving and data that was accurate weeks or even days ago might have changed. Remember to check the date when the fact-check you are reading was published before sharing it.