I have the opposite fear. Because there is enormous potential in treatments from stem cells, I fear more quacks will exploit this potential in pushing scam, for-pay treatments using the thin veneer of stem cells to lure people in. For more, see http://theness.com/neurologicablog/index.php/alzheimers-and-... and http://theness.com/neurologicablog/index.php/more-stem-cell-...