CBD for depression, 13 clinical studies indicate the use of CBD oil for depression. The Chinese were the first to appreciate the medicinal properties of his the cannabis plant. Literature from this period suggests that cannabis was recommended for absent mindedness, rheumatic pains, constipation and disorders of the female reproductive tract. Chinese doctors used every part of the plant, including the seeds, stalks, oil, roots and leaves. The drug was administered in pills and in various porridge style past