The takeaway is to get vaccinated.
higher risk of developing Alzheimer’s or Parkinson’s disease
For several days, cases of Covid-19 have been on the rise in France. With in particular the appearance of new variants of Omicron, more contagious than the previous one and named BA.4 and BA.5. If today the short-term effects of the disease are better and better known, the long-term consequences remain uncertain and are revealed in dribs and drabs.
Recently, Chinese work had shown that among people severely affected by Covid-19, 15% had dementia and a quarter of mild cognitive impairment one year after leaving hospital. And in the long forms, many report memory and concentration problems.
Alzheimer’s, Parkinson’s, Stroke
In a study presented at the 8th Congress of the European Academy of Neurology, researchers from Rigshospitalet, one of Denmark’s leading hospitals, showed that Covid-related neuronal inflammation may contribute to accelerated development of neurodegenerative disorders.
Thus, out of nearly 1 million people tested for Covid-19, the authors observed that positive patients had a 3.5 times higher risk of developing Alzheimer’s disease, 2.6 times Parkinson’s disease. and 2.7 times an ischemic stroke.
No more than the flu…
“We observed an increased risk of being diagnosed with neurodegenerative and cerebrovascular disorders in Covid-19 positive patients compared to negative patients,” explain the authors. But, in a reassuring way, they specify that most of these disorders do not seem to be more frequent than after a flu or another respiratory pathology.
These results should contribute to understanding the long-term effect of certain infections in the occurrence of neurodegenerative diseases and cerebrovascular accidents.
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