Broken sleep affects the ability to build memories, a study of mice suggests.

The NHS is poorly prepared to treat obese patients, an analysis of mistakes suggests.

MPs call on regulators to send a clear signal to nurses, doctors and midwives that they risk being investigated if they fail to report concerns about colleagues.

A lack of specialist equipment and training means the NHS is ill-equipped to deal with the number of obese people it has to treat, a study suggests.

A man who suffered a heart attack during a community cricket match in Devon is revived by a GP team-mate who happened to have a defibrillator in his car.

Composers Mira Calix and Anna Meredith have come up with pieces of music which are inspired by the sounds of a MRI scanner.

Appeals against benefit assessments are costing £50m a year, according to an MPs' report.

Chimpanzee brains do not suffer age-related brain shrinkage as humans do, indicating that old age has evolved to "pay for" our bigger brains.