https://uhs.umich.edu/caffeine
https://www.uhs.umich.edu/files/uhs/caffeine.pdf
https://uhs.princeton.edu/health-resources/caffeine
https://www.iofbonehealth.org/what-is-osteoporosis
https://www1.udel.edu/chem/C465/senior/fall00/Caffeine/Physiological.htm
https://www.canr.msu.edu/news/health_benefits_and_risks_associated_with_caffeine
https://www.coffeeandhealth.org/topic-overview/coffee-caffeine-mood-and-emotion/
https://www.apa.org/gradpsych/2015/11/coffee
http://www1.udel.edu/chem/C465/senior/fall00/Caffeine/Psychological.html
https://uhs.princeton.edu/health-resources/caffeine#effects
https://www.cambridge.org/core/journals/advances-in-psychiatric-treatment/article/neuropsychiatric-effects-of-caffeine/7C884B2106D772F02DA114C1B75D4EBF
https://www.aarp.org/health/healthy-living/info-10-2013/coffee-for-health.html
