An curved arrow pointing right. The blue glow of an iPhone's screen isn't good for our bodies at night – it suppresses the brain's release of melatonin, which throws off your body's sleep.

Canadian researchers say the trial suggests larger studies looking at different doses and the potential long term effects of ...

NIGHT shift workers can reduce their cancer risk by taking the sleep hormone melatonin, suggests a new study. Melatonin supplements offset cancer-causing DNA damage linked to shift work ...