Spring is good for your brain: https://news.vt.edu/articles/2026/03/clahs-spring-into-a-sharper-mind.html
7 days of meditation can rewire your brain: https://www.sciencedaily.com/releases/2026/04/260406192913.htm
Waking up feeling more refreshed and alert: https://healthcare.msu.edu/news/2026-4-7-scientists-revel-the-secret-to-waking-up-feeling-more-refreshed-and-alert.html
All familiar ground, but I like the fresh air part best. It does the most for me. Strenuous exertion never felt good, even in grade school. But certainly some exercise is helpful.
The 7 Days of Meditation article makes so much sense. There are cultures that get the mind-body benefits through plant-drug pathways, and cultures that have found other pathways. I am not at all surprised.