This week

Most new cancer drugs are given to patients without any evidence they extend or improve lives, a study by King’s College London has concluded. It says regulators must make it harder for meds to be approved.

Pregnant women with the severe morning sickness suffered by the Duchess of Cambridge can suffer mental health issues for up to six months after the birth, a study in the Archives of Women’s Mental Health suggests. Those with it can vomit up to 30 times a day, leading to dehydration, malnutrition and long-term emotional distress.

The very old are four times more likely to die comfortably if they are at home rather than in hospital, according to research from Cambridge University.