About the Author

Ian Livingstone, M.D., a board-certified neurologist, is medical director of the Princeton Headache Clinic. The Castle Connoly Guide lists him as one of the top doctors in the New York metropolitan area. Donna Novak, R.N., is a board-certified nurse practitioner in women's health and a co-founder of the Princeton Headache Clinic. Novak is currently an editorial director for Nursing Spectrum magazine.