Good question stillalive...
I must point out that there has been over 13 million aesthetic procedures using Botox Cosmetic since it was approved in 2002 and there has been no death related to botox cosmetic. Its all media that creates controversy. Yes, last year FDA announce about the safety of some botulinum toxin treatments not the botox cosmetic,which is the purified form of botulinum toxin designed for safe cosmetic use. The reported cases were childrens who reveived botulinum toxin for spasticity associated with cerebral palsy and FDA reports one dead.
Its is important for every people to discuss about his/her previous history of any neurological conditions and doctors need to know everything about how the drug works before they give it as a treatment. Why i'm pointing out this is that this treatment has become so famous and these days its being like go to botox clinic and bang.. take a shot and there you are done.. you get wrinkle free face and clinic gets easy money. But very few people are worried about his/her previous medical conditions as they are physically fit and fine. So these might lead to complications of Botox cosmetic. Its important to stress that usual normal dose application might differ from person to person. Usually expert says normal session is 50 units and if its more than 2000 units it might cause serious complications.