According to various aspects, exemplary embodiments are provided of therapeutic devices and methods for applying therapy. In one exemplary embodiment, a therapeutic device generally includes one or more light sources for emitting therapeutic light. In some embodiments, the therapeutic device can also include means for applying hot therapy and/or cold therapy to a user's body when the therapeutic device is applied to the user's body. As other examples, various embodiments of therapeutic devices can include massagers and/or adhesive bandage strips for attaching the lighted therapeutic device to the user's body.