Diet, exercise, sleep — all are fundamental to our health, but our relationship to light doesn't get mentioned as much. Now, a massive new study suggests light-driven disruption can take years off our ...

Getting light deep inside the body has always come with a catch. Tissue scatters and absorbs it, which means doctors and researchers often have to cut into the body or thread in optical fibers to ...

Diet, exercise and sleep are fundamental to our health, but so it our relationship to light. A massive, new study suggests light-driven disruption... Getting more light in the day and less at night is ...