Improving Brain Function

There are many ways of improving brain function, but advertizers like their marks to cut corners and just buy what they are selling regardless of the science (or lack thereof) behind it. These articles focus in on the problem:

https://www.truthinadvertising.org/how-amazon-promotes-profits-from-deceptively-marketed-brain-supplements/

https://www.health.harvard.edu/mind-and-mood/dont-buy-into-brain-health-supplements