Gloomy winter days beget a gloomy mood in many people. But the Meteorological Office has an answer.

Is the rise in diagnoses of autism the result of changing diagnostic practice, rather than any sinister environmental cause? New evidence from California points in that direction.  

“Don’t give your children ham” says the World Cancer Research Fund today, claiming that 3,700 cases of bowel cancer a year could be prevented in the UK if everyone ate less than 70g of processed meat a week.

On July 29, The Hon Mr Justice Akenhead ruled in the High Court that Corby Borough Council had been negligent in their handling of toxic waste from Corby’s reclamation of the sites of abandoned steel works.

Authors of research papers in the medical literature seldom explain how they have determined the sample size to ensure their studies have the necessary statistical power, complains an epidemiologist in a letter to BMJ.