It desn't really matter anymore, they are mearly chemical components not from which they derrived.
The article puts it well itself "sensationalist"
(, Sat 16 Feb 2013, 18:17, Reply)
It's not like they just throw a handful of pubes in to the cauldron and give it a good stir.
(, Sat 16 Feb 2013, 18:34, Reply)