Scientists on a mission to bring cheap drugs to the world’s poorest countries

· Indian trials for low cost hepatitis C treatment · Researchers pioneer 'ethical pharmaceuticals'

Stem cells from women’s eggs hold transplant hope

Women could receive transplant organs grown from stem cells from one of their donated eggs, according to a study in the journal Science today.

Boy who could walk on hot coals offers clues to pain management

· Gene mutation that blocks signs of damage identified · Scientists hope study may lead to new treatments

Abortion drug can prevent breast tumours, says study

A chemical used in the abortion pill has been found to prevent the growth of breast and ovarian cancers, scientists report.

Tests suggest some men on medication may be infertile

Best-selling antidepressant drugs may be making some men infertile, according to research reported yesterday.