The hormone LCN2 (Lipocalin-2) suppresses appetite and increases feelings of fullness. Some people with obesity have disrupted satiety signals; using LCN2 could help these people to recognize fullness cues.

In a randomized double-blind within-subject study in young adults, consuming cocoa flavonols led to positive improvements in brain vascular function, brain oxygenation, and cognition.

Age-related changes in metabolite production in the gut correlate with the presence of beta-amyloid plaques in the brain, a hallmark of Alzheimer's disease.

An eye exam using artificial intelligence could detect Parkinson's disease (PD) earlier. This method using machine learning to classify PD based on changes in the retina vasculature of the eye.