Not for the faint of heart. These are the faintest of preliminary clues that there's something to look at, but it's much too early to conclude that there's a relationship to covid.
Doctors Worry That Memory Problems After COVID-19 May Set The Stage For Alzheimer's
https://www.knau.org/post/doctors-worry-memory-problems-after-covid-19-may-set-stage-alzheimers" PET scans taken before and after a person develops COVID-19 suggest that the infection can cause changes that overlap those seen in Alzheimer's. And genetic studies are finding that some of the same genes that increase a person's risk for getting severe COVID-19 also increase the risk of developing Alzheimer's."
Can a Coronavirus Infection Lead to Dementia?
https://www.aarp.org/health/dementia/info-2021/covid-dementia.html"one study found that as many as 1 in 3 COVID-19 survivors experience a mental health or neurological disorder within six months of a coronavirus infection. Another study discovered that about half of patients hospitalized with COVID-19 had altered brain function or structure."
Is there a link between COVID-19 and Parkinson’s disease?
https://www.medicalnewstoday.com/articles/is-there-a-link-between-covid-19-and-parkinsons-disease" three people with COVID-19 have also experienced Parkinson’s-like symptoms.
Two men, aged 45 and 58 years, and one woman, aged 35 years, reported slowness of movement accompanied by muscle stiffness, muscle spasms, irregular eye movement, and tremor.
All three showed reduced function of the brain’s dopamine pathway system on imaging tests. Two of the three responded positively to medication and one recovered spontaneously.
None had a family history or clinical signs of Parkinson’s disease before their illness."
