Increased Appetite
Like depression, the seasonal affective disorder might increase appetite in many people. This is because your body will lack energy and suffer from exhaustion during the darker and colder seasons. Your voracious appetite which is often followed by biological responses to a seasonal decrease in serotonin, a neurotransmitter that is related to mood and would aid in controlling hunger. Although this might make you feel better for a short time, eating more might cause you to gain weight and sometimes lead to obesity. [6]
