Speaking at the Medical Journalists' Association annual lecture, Sir Chris said he was worried about obesity as there is an "optimal weight" for healthy living, with larger waistlines increasing ...

Victoria GillScience correspondent, BBC NewsUniversity of CambridgeThe gene the researchers identified interferes with a brain signalling pathway that helps regulate our appetiteDogs that are constantly hungry and prone to ...

Getty ImagesThe UK's drug safety regulator is asking doctors to be alert for patients who may be misusing obesity injections, such as Wegovy. It follows reports of some people ...