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Higher consumption of green tea, but not coffee, was associated with fewer cerebral white matter lesions in prospective studies of aging in Japan. (npj Science of Food)
Latent herpes simplex virus type 1 was reactivated by repeated mechanical injury in a three-dimensional human brain tissue model, triggering aggregated amyloid and other pathological Alzheimer’s features. (Science Signaling)
Brain hypometabolism began to evolve during the prodromal stage of dementia with Lewy bodies, with changes on 18F-fluorodeoxyglucose PET paralleling progressive symptoms. (JAMA Neurology)
Researchers identified a sex-specific deficiency in plasma free-carnitine levels in women with amnestic mild cognitive impairment and early Alzheimer’s disease, but not men. (Molecular Psychiatry)
Medicare beneficiaries waited a median of 34 days to see a neurologist after a referral, 2018-2019 data showed. (Neurology)
Glymphatic clearance in mice was activated by norepinephrine-driven oscillations during non-rapid eye movement sleep. (Cell)
The average life expectancy of people diagnosed with dementia ranged from 8 years at age 65 to 4.5 years at age 85 for women, and from 5.7 to 2.2 years, respectively, in men, a meta-analysis reported. (The BMJ)
Retinal vascular analyses predicted incident stroke, U.K. Biobank cohort data suggested. (Heart)
Boston University researchers confirmed that former NFL tight end Frank Wycheck, who died at age 52 after a fall, had stage III chronic traumatic encephalopathy. (AP)
A RECOVER initiative study showed that 4.5% of participants met criteria for myalgic encephalomyelitis/chronic fatigue syndrome after SARS-CoV-2 infection. (Journal of General Internal Medicine)
The American Academy of Neurology launched a new journal, Neurology Open Access.