Four out of five people are happy with their GP surgery's opening hours, and Sunday appointments are not in demand, suggests research in the British Journal of General Practice.

Competition between different bacteria species in the gut is what keeps humans healthy, an Oxford University study suggests.

Does the smiling face of Layla Richards mark a new era in genetic medicine that could change all our lives?

The Australian government has announced that its new flu vaccine will be stronger and cover four flu strains, instead of three.

Gay women tend to be sexually attracted exclusively to women while straight women are more likely to be aroused by both sexes, a study suggests.