You guys need to do a little more research here. Sativex is not synthetic. Its an extract of everything in the cannabis plant (besides roots). It emphasizes that it contains THC and cannabidiol because THC and cannabidiol are active ingredients that seem to have anti-inflammatory etc. properties.

http://www.medicalmarijuanaprocon.or...nabisdrugs.htm

http://en.wikipedia.org/wiki/Sativex

http://www.gwpharm.com/faqs.asp#faqs2_2

I'm guessing the woman died from previous illnesses, not the medicine.