The latest stories from the Health section of the BBC News web site.
Updated: 2 hours 46 min ago
Scientists say they now have a near-perfect picture of the genetic events that cause breast cancer, which they hope will unlock new ways of treating the disease.
Thousands of people are having "do not resuscitate" orders imposed on them without their families' consent, an audit of dying patients finds.
A new type of cancer drug could benefit men with aggressive prostate cancer which is no longer responding to treatment, say researchers.
Increasing symptoms of depression in older age could indicate early signs of dementia, say scientists.
A new chairman is to be appointed at the scandal-hit trust where a teenager drowned in the bath.
Newborn babies are being tested for alcohol after researchers raised concerns about pregnant women drinking regularly.
Scientists say sleep patterns previously thought exclusive to mammals and birds are also found in lizards.
The NHS mental health trust which ran a care unit where a teenager drowned in a bath is "continuing to put patients at risk", inspectors say.
Scientists say they have made a leap in knowing why some people retain their youthful looks while others age badly.
The chairman of one of England's biggest mental health trusts has resigned ahead of a critical report to be published on Friday.
A genetic therapy improves the vision of some patients who would otherwise have gone blind.
Smokers should be encouraged to use e-cigarettes to help them quit, says Dr Nick Hopkinson of the Royal College of Physicians.
Smokers should be offered and encouraged to use e-cigarettes to help them quit, says a leading medical body.
Children in care have more mental health problems but too often miss out on treatment, say MPs.
Ministers and doctors have both vowed to fight on as the first all-out doctor strikes in the history of the NHS ended in England without any major problems.
An Australian man took himself to hospital after a venomous redback spider bit him on the penis in a portable toilet.
Levels of obesity in China's rural youth have rapidly increased, a study warns, because of socioeconomic changes.
"Clean air zones" targeting drivers of high-polluting vehicles should be extended to more cities in England, MPs say.
The withdrawal of emergency care as part of the strike by junior doctors was "disproportionate", according to the health secretary.
Hospitals hope less urgent patients once again stay away as junior doctors in England prepare for a second all-out strike later in protest over a new contract.