An observational study of 101 adults aged 30–85 without cognitive impairment found no overall sex differences in a small brain region’s signals or activity.An observational study of 101 adults aged 30–85 without cognitive impairment found no overall sex differences in a small brain region’s signals or activity.
A two-year randomised trial in 1,260 older adults at risk of dementia found no clear evidence that starting blood markers altered cognitive benefits.A two-year randomised trial in 1,260 older adults at risk of dementia found no clear evidence that starting blood markers altered cognitive benefits.