There is a very good video on this subject. Youtube seems to have removed the original one,
but people keep putting it back on YouTube. Here is one:
It's called "Sweet Misery - A Poisoned World". It's available in a book
by the same name at Amazon.com.
If you want to compromise your health, keep drinking "diet" sodas and
risk getting brain tumors.
Aspartame was called NutraSweet. When the public starts getting wise
about this poison, the name gets changed to something else. Just avoid
all "diet" sodas.
The FDA refused to approve this poison 2 times. But you can thank
Donald Rumsfeld for coercing the FDA to approve it, eventually.