Acute kidney injury, which NHS guidance says is 'needlessly' killing thousands of patients, is a problem that affect patients who are already seriously ill in hospital.
Fiona Loud of the Kidney Alliance said patients with systemic illnesses were most at risk.
ITV News Science and Medical Editor Lawrence McGinty explains:
More top news
As many as one in seven stop and searches carried out by police in a year may have been unlawful, a new report indicates.
A 94-year-old ex-SS guard at the Auschwitz death camp is due to go on trial in Germany over the murder of at least 170,000 people.
A young boy with cystic fibrosis has been 'recruited' by police to become Iron Boy and help rescue a reporter from an evil super villain.