There's a new contender in the century-old quest for perfect, guiltless sweetness: allulose. It's sugar — but in a form that our bodies don't convert into calories. Perfect? Not quite.

Researchers say findings may have important public health implications as vitamin supplements are relatively safe and cost-effective

Sarcoptic mange can leave southern hairy-nosed and bare-nosed wombats blind and deaf before eventually killing them

Annual vaccinations could be a thing of the past as scientists have successfully tested vaccines on animals infected with different strains of influenza

Remember winter, when everything was cold and grey? Right now, when all around is lush and green, the contrast couldn’t be greater. But is everything really as it seems? New research shows that we see things differently in winter compared with summer.

We now know how to turn fat cells into ones that burn calories as heat rather than store them – raising the prospect of a gene therapy for obesity

A growing body of research suggests that doctors' racial biases and other prejudices continue to affect the care patients received. Medical educators say self-awareness is an important first step.

A new study renews questions about how aggressively doctors should treat a very early form of breast cancer or pre-cancer.

Addyi gains US marketing licence after third attempt, but questions remain about its effectiveness, potential side-effects and the true need for the drug

Increasingly taken by healthy people to improve focus before exams, after a comprehensive review researchers say modafinil is safe in the short-term