For more information…
The University of Michigan provides information and links about energy drinks. In particular, this web page discusses the dangers of energy drinks when mixed with alcohol, used before or during exercise and the danger posed to children.
For a detailed description about how energy drinks work and an explanation about their ingredients, go here.
For a very detailed description of energy drinks and their effects on health, the University of California provides this publication for free. It includes comparisons of the caffeine levels in various brands of energy drinks. There is also useful information about some of the other ingredients in energy drinks and what they claim to do and most importantly, which claims can be substantiated.
Kidshealth is an excellent source of information about health issues surrounding children and teens. KidsHealth provides families with information, perspective, advice, and comfort about a wide range of physical, emotional, and behavioral issues that affect children and teens.
Since all energy drinks rely heavily on caffeine to generate their effects, here is a web page to learn more about caffeine and its influence on you health.
If you need to convert milligrams to ounces, this online converter makes it easy.
Arria AM, O'Brien MC. The "High" Risk of Energy Drinks. JAMA. 2011 Jan 25. [Epub ahead of print] PubMed PMID: 21266673.