https://www.psychologytoday.com/us/blog/hide-and-seek/201301/aristotle-happiness
https://www.betterhelp.com/advice/medication/what-is-the-difference-between-serotonin-and-dopamine/
https://www.psychologytoday.com/us/blog/the-happiness-doctor/201705/measuring-happiness-how-can-we-measure-it
https://www.usatoday.com/story/news/politics/2018/03/19/teen-suicide-soaring-do-spotty-mental-health-and-addiction-treatment-share-blame/428148002/
https://www.cbsnews.com/news/suicide-youth-teens-whats-behind-rise/
https://www.cbsnews.com/news/big-spike-us-children-teens-attempting-suicide/
https://www.psychologytoday.com/us/blog/our-changing-culture/201708/why-so-many-teens-today-have-become-depressed
https://psychcentral.com/blog/why-are-so-many-teens-depressed/
https://www.washingtonpost.com/news/to-your-health/wp/2018/05/10/why-kids-and-teens-may-face-far-more-anxiety-these-days/?utm_term=.3255b5b2db6e
https://www.newportacademy.com/resources/mental-health/teen-depression-study/
https://www.newportacademy.com/resources/mental-health/teen-depression-study/
https://www.johnshopkinshealthreview.com/issues/fall-winter-2017/articles/the-rise-of-teen-depression
https://science.howstuffworks.com/life/inside-the-mind/emotions/kids-happier-than-adults.htm