References
The source below is background reading for the website's overview of leafy green vegetables and cognitive health. It is not presented as evidence for a particular commercial product or as support for every statement in a video or advertisement.
Background reading
Morris MC and colleagues. Nutrients and bioactives in green leafy vegetables and cognitive decline: Prospective study. Neurology, 2018;90(3):e214–e222.
Read the publication record on PubMed
This observational study concerns an association; it does not establish that a specific commercial product prevents or treats disease.
Consult the original publication for its methods, results and limitations.