HumansAncient Britons rapidly evolved to cope with lack of sunlight The DNA of people who lived in Great Britain thousands of years ago has markers of natural selection at work – and the driving force seems to have been a shortage of vitamin D News
HealthNight-shift workers who eat only in the day may cut diabetes risk People who work overnight are more likely to develop type 2 diabetes, but the risk may be reduced by eating only between 7am and 7pm News