GLP-1 Didn't Work But This Did

From eNewsletter 5/20/2026

DID YOU KNOW that there were three recent studies regarding cognition and memory that may surprise and/or delight you?

Higher levels of vitamin D in the blood during middle age may be tied to lower amounts of tau protein in the brain years later, according to a study in Neurology. Tau is a key biomarker associated with dementia.

A study from JAMA Network Open found that higher meat consumption was associated with better cognitive trajectories and lower dementia risk among individuals with APOE34/44 genotypes. The expected cognitive disadvantage among individuals with APOE34/44 genotypes was not observed at high meat consumption.

According to the authors of a study from The Journal of Human Nutrition and Dietetics, one egg per day may be necessary to maintain healthy cognition function in the elderly, which may be an effective food therapy to alleviate cognitive decline.

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