Make-believe medicine

Do placebos work? New research suggests they work surprisingly well - in fact rather better than some conventional drugs. By Jerome Burne.

Salts cut death in pregnancy

A cheap and simple treatment can halve the chances of women developing a dangerous complication of pregnancy which kills more than 50,000 mothers and their unborn babies a year worldwide.

Nature’s pharmacy

It's an ancient Indian cure-all recently patented in the US to treat AIDS. Andrew Purvis on the neem tree.

Infertility alert for thin women

Catwalk chic has created a passion for skinniness - but a new study reveals over-zealous dieting can permanently switch off the hormones that make pregnancy possible.