But if it is true that current traditional treatment is ineffective, how could children improve? In the absence of a control group, natural history can masquerade as effectiveness. For example, traditional remedies for the common cold, such as hot lemonade, appear quite effective because the natural history is remission in seven to ten days. If you drink lemonade for a week, it works—your cold goes away! This remission requires no mystical placebos, expectancies, hope, or nonspecific curing agents—just the natural course of coryza. People often take something for a cold and feel better in a week.