Therese Borchard writes, “It’s that time of year again when the highly sensitive types among us who thrive with lots of sunlight begin to wither with the plants as the sun begins to hide.Not only do we get less vitamin D (and deficiencies have been linked to depression), but the change in sunlight affects our circadian rhythm — the body’s internal biological clock that governs certain brain activity and hormone production. In some people, the change of mood-related chemicals can cause seasonal affective disorder (SAD), also known as winter blues or seasonal depression.” Read the rest of her blog.