Compared the effectiveness of a home-based behavioral intervention (relaxation and thermal biofeedback training) with an abortive pharmacological intervention (with compliance training) for treating recurrent migraine and migraine/tension headaches. Both interventions yielded reductions in headache activity, psychosomatic symptoms, and daily life stress, but timing of improvements, impact on analgesic medication use, and variables predicting treatment response differed. (Author/KS)