Yeah. Always be careful when someone posts any supposedly scientific info about anything.
"Murat Yucel, PhD, of ORYGEN Research Centre the University of Melbourne in Australia, and colleagues in the Archives of General Psychiatry."
I'm pretty sure Australia is one of the nations working hard on the good old drug war too. You have to follow the money trail on any medical experiments. There really is no ethics in the scientific community any more. They print whatever results help the people that payed for the research.