*Ingestion may cause cause headaches, muscle pain, dizziness,
memory loss, diarrhea, fatigue, vomiting and more.
An ingredient in diet coke and many other artificially sweetened products, aspartame is surrounded by controversy.
There are programs for people who are heavily addicted to diet drinks, and multitudes of reports by doctors and toxicology experts detailing the negative effects of aspartame on the body.
Loads of people get really sick from the stuff, and apparently the way it got approved for use is extremely shady as well, with the scientist doing the toxicology approval being paid $1000 per day on a ten year contract.
Also this from a redbubbler.