All are very attractive options—particularly for the aging population, and particularly for those looking for a fast, relatively painless solution with little effort on our part.
But did you know that Botox—the quick fix solicited by 6 million Americans each year and 75% of celebrities over the age of 35—is composed of the same deadly toxin responsible for botulism poisoning that can cause paralysis and respiratory failure? Let's examine the mechanism behind this potentially deadly neurotoxin and why, for goodness' sakes, Botox can be used as a therapeutic despite its dangerous potential.
Botox is the trade name for botulinum toxin, a protein produced by the bacteriumClostridium botulinum (below, left). With a relatively low LD50 of 40 nanograms, botulinum toxin (below, right) is one of the most powerful neurotoxins known today. That means that injecting just 40 ng of the toxin is lethal in 50% of the primate population in which it was tested. To put 40 ng in perspective: a gram is roughly the mass of a paperclip. A nanogram is one billionth of a gram.
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