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Life Stress Linked to Alzheimer’s Amyloid When Insomnia Is Worse

MHD card showing a person lying awake in bed under a glowing clock, with a faint brain outline holding gold amyloid clusters above, illustrating a study in which life stress was linked to an Alzheimer's amyloid marker only in people with worse insomnia.

Among Swedish memory-clinic patients without dementia, more stressful life events were linked to a spinal-fluid sign of Alzheimer’s amyloid buildup, but only in people with moderate-to-high insomnia symptoms, according to a 2026 study.1 Research Highlights Stress and insomnia worked together: in 103 patients with spinal-fluid tests, lifetime stressful events and insomnia symptoms interacted in relation …

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Alcohol & Brain Volume in Older Adults: Cortical Thinning & White Matter Loss in Heavy Drinkers (250g/Week) (2023 Study)

Alcohol’s effects on the brain, especially among the elderly, have long been a subject of scientific inquiry. A recent study from Gothenburg, Sweden, provides new insights into how varying levels of alcohol consumption impact brain structure in individuals aged 70 and over. This research sheds light on the relationship between alcohol intake and the aging …

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