The US moves to tighten its screening of international students, its first security change in response to last month's Boston bombings.

Unhealthy habits which increase heart disease risk could also be affecting brain function in people as young as 35, a study suggests.

The number of British women under 50 having breast cancer diagnosed has reached 10,000 annually for the first time.

The incoming head of the National Rifle Association tells its conference it is fighting a "culture war", weeks after the NRA helped defeat a gun-control bill.

Patients are coming to serious harm and even dying because of ambulance delays, a paramedic whistle-blower has warned.

Large providers of care homes in England are to have their financial records regularly scrutinised in future to spot potential business problems.

The time it takes for the family courts to make decisions about whether children should be taken in to care or adopted has been cut.

Oscar-winning actress Reese Witherspoon pleads no contest to a disorderly conduct charge, after her arrest last month in Atlanta, Georgia.