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The production of the Alzheimer’s-associated, toxic protein amyloid beta in the brain is tightly regulated by cholesterol in the cell membrane, advanced imaging reveals.

Why can some people weather the stress of social isolation better than others, and what implications does this have for their health? New research found that people who felt a strong sense of purpose in life were less lonely during the COVID-19 pandemic.

Scientists explore how protein and signaling pathways change in patients with Alzheimer’s disease. Their work creates a new model of disease progression, taking advantage of the heterogeneity that is inherent to human studies.