Seasonal Affective Disorder – Causes

Transcript

A precise cause of seasonal affective disorder isn’t known. Although we do know that it’s commonly associated with a lack of exposure to sunlight in shorter days. Sunlight, as we know, plays is a key role in the functioning and regulation of a part of a brain called the hypothalamus, which can in turn affect the production of serotonin, which is a naturally occurring hormone in the body which affects our mood. It can also affect melatonin, another hormone which can help regulate and make you feel sleepy or tired.