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Brain immune cells amplify damage caused by Alzheimer's risk gene, study finds

Medical Xpress
In healthy brains, immune cells called microglia patrol for damage, clearing away debris and harmful proteins. But in the presence of the...
2 days ago

Coronavirus tests: Swabs don't damage the brain and other claims fact-checked

BBC
Claims that coronavirus tests can harm people are circulating on social media. We investigated the claims in some of the most widely shared posts.
51 months ago

No, you cannot pierce your brain with a swab test

The Conversation
It is extremely unlikely for any person who doesn't have this pre-existing weakness in the nose to cause any damage with a swab.
49 months ago

Ultra-powered MRI scans show damage to brain's 'control center' is behind long-lasting COVID-19 symptoms

Medical Xpress
Damage to the brainstem—the brain's 'control center'—is behind long-lasting physical and psychiatric effects of severe COVID-19 infection,...
1 month ago

Nasal swab used for COVID-19 testing does not reach the brain

Science Feedback
The human brain is separated from the nasopharynx by several layers of hard tissue, including bone. It is therefore not possible for nasal swabs to reach the...
51 months ago

Fact check: No, the COVID-19 nasal test doesn't swab the blood-brain barrier

USA Today
A Facebook post falsely claims the COVID-19 nasal test swabs the blood-brain barrier and can cause injury to other nasal structures.
51 months ago

COVID-19 test caused man's 9-month-long brain fluid leak

Live Science
A man's persistently runny nose following a COVID-19 test wasn't caused by allergies as he suspected, but rather cerebrospinal fluid leaking from his brain.
37 months ago

Nose swab detects fatal brain disease

Science | AAAS
Researchers report that a simple nasal swab may help physicians detect the disease far more accurately and earlier than current methods.
36 months ago

COVID and the brain: researchers zero in on how damage occurs

Nature
Growing evidence suggests that the coronavirus causes 'brain fog' and other neurological symptoms through multiple mechanisms.
39 months ago

Must This Swab Go That Far Up Your Nose to Test for Covid? (Published 2021)

The New York Times
One Canadian said it felt like a painful poke to his brain. An American heard crunching sounds in her head. A Frenchwoman suffered a severe...
35 months ago