As winter arrives and daylight hours decrease, some individuals experience more than just a longing for warmth and comfort. Seasonal Affective Disorder is a type of depression that emerges during the colder months, driven by diminished sunlight and shifts in the body's biological rhythms. Those affected may notice changes in mood, energy levels, and even how they perceive taste and pleasure. Understanding the science behind this seasonal phenomenon can help people recognize its impact and seek appropriate support.