In one embodiment, the present invention relates to a method for reducing the frequency and/or severity of headache in a subject comprising administering to the subject a composition comprising the stromal vascular fraction or stromal cells of adipose tissue. In another embodiment, the present invention relates to a method for reducing the frequency and/or severity of headache in a subject comprising administering to the subject a composition compositing bone marrow. In another embodiment, the present invention relates to a method for reducing the frequency or severity of headache in a subject comprising administering to the subject a composition comprising adult stem cells.