Placebo effect may be 'down to genes'
Why some people respond to treatments that have no active ingredients in them may be down to their genes, a study in the journal PLoS ONE suggests.

Three-person IVF trial 'success'
US scientists say a human and animal trial of a controversial new IVF treatment has yielded promising results.

Concern raised about finance scheme for malaria drugs
The charity Oxfam has cast doubt on an international scheme that aims to boost the provision of the most effective treatment for malaria.

Exercising in your 70s 'may stop brain shrinkage'
Exercising in your 70s may stop your brain from shrinking and showing the signs of ageing linked to dementia, say experts from Edinburgh University.

Brain change link to anti-social behaviour in girls
The brains of teenage girls with behavioural disorders are different to those of their peers, UK researchers have found.

Low calcium hormone disease risk
Having too little calcium in the diet increases women's risk of a hormone condition that can cause bone fractures and kidney stones, scientists suggest.

Peru hospital managers' 'mass walkout' over medics' strike
About 90% of hospital managers in Peru have resigned in support of doctors on strike over pay, union officials say.

Conjoined twins Rosie and Ruby Formosa separated
The mother of conjoined twins has described her joy after a successful operation to separate them.

Vitamins may reduce cancer risk in men, study finds
Taking a daily multivitamin pill may lower the risk of developing cancer in men, US researchers have claimed.