A team of scientists from Oxford University in the UK have discovered the reason why people feel drowsier in dim lighting and more alert in bright white light.They have found previously unknown cells in the eye known as the retinal ganglion cells, th ...

Chronic hepatitis B infects 400 million people worldwide, many of them children. Even with three effective vaccines available, hepatitis B remains a stubborn, unrelenting health problem, especially in Africa and other developing areas. The disease an ...

A weather alert service run by the UK's Meteorological Office that forecasts when weather is likely to be bad for COPD patients and alerts them to take simple precautions, has achieved a 20 per cent drop in COPD hospital admissions in areas that ...