Cannabis may slow down sperm
A team of US researchers has found that naturally-occurring cannabis-like chemicals may control both sperm motility and their ability to fertilise an egg. The scientists, based at the University at Buffalo, State University of New York, say their study raises the possibility that heavy use of marijuana could interfere with...
Comment
Parliament and the future of embryo research
by Juliet Tizzard
I write this commentary on the eve of an important vote in the British Parliament. Tomorrow, members of the House of Commons will decide upon the future of embryo stem cell research. We don't know what the outcome of tomorrow's vote will be. But if the regulations fail, it will...