Study confirms schizophrenia gene link
A new study provides more evidence that a gene which affects levels of a key brain chemical is involved in schizophrenia. A team based at Stanford University in California, US, found that children with a single, 'low-activity' copy of a gene called COMT are at higher risk of developing psychotic...
Comment
Biological Engineering cannot replace rational resolution of ethical debate
by Professor Martin Evans
It may be a healthy sign in the stem cell technological and ethical debate that we are getting round to the situation of considering just how many angels may dance on the head of a pin. In my opinion, the religious, political, ethical and moral dilemmas which have been raised...