Cytochrome P450?
What is Cytochrome-P450 or CYP450 and why is it (very) important to have your CYP profile determined before you start taking prescription medication?
Look at case examples
Unfortunately, there are many examples of cases where people have injured themselves or others or even killed themselves or others. You can find some of these cases here.
Contact an expert
There are laboratories that can help you to determine defects in your DNA. This is made possible by taking some blood and have it tested for relevant CYPs.