Vivarin - Includes product information for the alertness aid. Caffeine Content - Foods and drugs chart -- July 31, 1997 Neuroscience for Kids - Caffeine - Effects on the nervous system, caffeine contents of various foods and medications, and links to related topics. Erowid Caffeine Vault - Information on Caffeine including research, legislation, media coverage, bibliography and lots of links. How Stuff Works: Caffeine - Thorough explanation about a popular addictive drug found in foods and beverages consumed by many each day, with a collection of related links. Caffeine and SIDS - Risk Factor or Not? The Straight Dope Mailbag - Which soft drinks have the most and least caffeine? Caffeine FAQ - Frequently asked questions about caffeine Johns Hopkins Bayview Medical Center - Caffeine Research Study - Information on health effects, dependence, tolerance, withdrawal, and intoxication. Includes a chart of quantities in common drinks and foods and documented cases of negative symptoms associated with the drug. Caffeine and Sodium Benzoate Injection - Full prescribing information from RxList.