Why do chimps chew on leaves that they clearly find revolting? And why do elephants risk death to extract rocks from a mountain cave in Kenya? Perhaps they know something we don't about staying healthy, says Jerome Burne.
Aspirin could help save a further 3,000 lives in Britain each year - 40,000 worldwide - if it was more widely used to combat disease in patients at higher risk of heart attacks and strokes, researchers said last night.
With the steep decline in infant mortality over the past century, we have become complacent about pregnancy and childbirth. But the harsh truth, says Joanna Moorhead, is that babies still die.