Mosquitoes can rapidly develop resistance to bed nets treated with insecticide, a new study from Senegal suggests.

Sniffer dogs can be used to reliably detect lung cancer, according to researchers in Germany.

The vast majority of doctors believe patient safety is compromised by the August intake of medical trainees, a survey suggests.

Further falls in the number of patients kept on mixed-sex wards has prompted ministers to suggest single-sex accommodation is now the norm in the NHS in England.

A woman from Derbyshire gave birth to a baby boy when she was in a coma.