https://www.keckmedicine.org/what-sugar-does-to-your-brain/
https://www.npr.org/sections/health-shots/2018/07/30/632480321/off-your-mental-game-you-could-be-mildly-dehydrated
https://parents.au.reachout.com/skills-to-build/wellbeing/self-care-and-teenagers
https://www.smilingmind.com.au/smiling-mind-app
https://headspace.org.au/young-people/how-to-reduce-stress-and-prepare-for-exams/