Brain zaps boost memory in people over 60, study finds (opens in new tab)

Curious if this is just stimulating the brain and increasing blood flow.

A short burst of exercise will also improve memory: https://www.theguardian.com/science/2018/sep/24/10-minutes-o...

The Nature article is here: https://www.nature.com/articles/s41593-019-0371-x