This week's health news:https://www.sciencealert.com/brain-zap-experiment-successfully-reverses-memory-decline-in-older-people
https://www.cnn.com/2019/04/09/health/max-heart-rate-partner/index.html
https://www.nbcnews.com/health/health-news/certain-nutrients-can-help-people-live-longer-only-if-they-n992266
https://www.sciencedaily.com/releases/2019/04/190408161643.htm