Poor sleep is associated with worse cognitive health. The researchers found a U-shaped relationship between sleep and cognitive decline, with the sweet spot being 5.5-7.5 hours of self-reported sleep.

A review of 21 studies finds that drinking 100% orange juice significantly reduces interleukin 6 (IL-6), a well-established marker of inflammation, in both healthy and high-risk adults.

Mice without the protein XRN1, which is essential for degrading mRNA, accumulate fat in their liver and adipose tissues and cannot use fat effectively as an energy source.

Eating a processed food diet for 4 weeks created inflammation and memory loss in aging rats. Supplementing with the omega-3 fat DHA prevented these memory loss and inflammatory concerns.