Sandberg, A. (2013). Enhancement Policy and the Value of Information. The American Journal of Bioethics, 13(7), 34-35. Open peer commentary on Prohibition or Coffee Shops: Regulation of Amphetamine and Methylphenidate for Enhancement Use by Healthy Adults by Veljko Dubljevi?. Posted on 16 December 201516 December 2015 Posted in Uncategorised. Share on Facebook | Share on Twitter