The effects of climate change on food production could cause 500,000 extra deaths by 2050 compared to a world without global warming, according to a study released Thursday.

A cancer treatment at the centre of an NHS controversy in 2014 causes fewer side effects in children than conventional radiotherapy, according to new research.

Working 55 hours or more per week is linked to a one third greater risk of stroke compared to a 35-40 hour work week.