Female sex illness: is it in the head or genes?
Talking point: Many women lose interest in sex - but the battle now is over whether lucrative drug treatment can help them, reports Jo Revill.
It’s green, prickly and sour, but this plant could cure obesity and save an ancient way of life
Bushmen of the Kalahari stand to benefit from development of hoodia, which curbs appetite.
Oxford makes male pill breakthrough
A male contraceptive pill is a step closer to becoming a reality, believe researchers at Oxford University who have successfully tested a substance called NB-DNJ on mice.