If headaches aren't caused by another health problem, treatment focuses on preventive medication. For chronic migraines, for example, tricyclic antidepressants (Amitriptyline) may help prevent future migraines.
In many ways, Kaiser has been ahead of the curve on health care for decades. Started by a surgeon running a tiny hospital near Desert Center, Calif., to serve construction workers, Kaiser became an H.M.O. with its own doctors and hospital in the mid-1940s and expanded beyond California over the next 50 years.
Kaiser Permanente has 9.6 million health plan members, 177,445 employees, 17,791 physicians, 49,778 nurses, 38 medical centers, and 620 medical offices.