Name	Info	Provider	Link
	free resource	Elsevier Science	https://linkinghub.elsevier.com/retrieve/pii/S2174-2049(21)00158-6
Caffeine	free resource	MedlinePlus Health Information	https://medlineplus.gov/caffeine.html
Exercise and Physical Fitness	free resource	MedlinePlus Consumer Health Information	https://medlineplus.gov/exerciseandphysicalfitness.html