Secrecy on origins ‘does no harm’
Couples who have a baby born from a donated embryo are much less likely than those who adopt to tell the child the truth about its origins, but the secrecy does them no harm, according to a new study.
Food defect could make thousands mentally ill
Factory farming has denied us chemicals in our diet that are vital to brain development, warn scientists.
Alzheimer’s drugs a waste of money, says NHS study
Drugs for Alzheimer's disease have little effect on patients' memory and do not stop the distressing deterioration of their lives, according to an important study published today.
When mimicry saves lives
The public is wary of non-human organ donors but a genetic modification to pig tissues could shorten transplant queues, argues Ian Wilmut.
Bottom line on obesity
Body size is largely inherited, a fact ignored by a recent health committee report, writes Vivienne Parry.