The changing seasons had something to do with health

The changing seasons had something to do with health,and the key is how much availabledaylight there was during different times of the year. As people spend more time indoors staring atcomputer and television screens, scientists are starting to appreciate how exposure to sunlight affects various body systems.

The most interesting support for our dependence on daylight emerged with a condition calledSeasonal Affective Disorder, or $AD, The term describes the so-called winter blues: the feelings ofsadness and hopelessness that come when the weather forces people to spend more time indoors and nave little exposure to natural light.Some people believe that our modern lifestyle, which keeps people indoors under artificial light for so many hours.may be encouraging a form of SAD year-round.

Doctors may not be conducting sunlight therapy yet. But if you find yourself in the doldrums after hours at your desk, it might not hurt to get up and look for some light as long as it comes from the sun, not the ceiling.