582 CHANGE IN MONTHLY HEADACHE INCIDENCE
* Improvement was a reduction in number of migraines and headaches. Significance assessed by t test on paired values. I
group and three times more migraine attacks group compared with the non-user group (see table). Most "tension" headaches occurred in the smoking group. The average age for o.c. users was 29 years, o.c. pastusers 35 years, and for women who had never used o.c. was 41 years. The average duration of o.c. use was 3 years but the average duration of smoking was 20 years for both sexes. All patients were advised to discontinue the three major factors and, in addition, cheese, chocolate, citrus fruit, and alcohol. There was a highly significant improvement in all groups but most patients continued to get migraine attacks or headaches. A food-allergy exclusion diet 7,8 avoiding 1-20 common foods was then carried out faithfully by a group of 30 patients. The monthly incidence of migraines dropped from 187 to 0 in and the incidence of headaches from 284 to 14 (P
* Improvement was a reduction in number of migraines and headaches. Significance assessed by t test on paired values. I
group and three times more migraine attacks group compared with the non-user group (see table). Most "tension" headaches occurred in the smoking group. The average age for o.c. users was 29 years, o.c. pastusers 35 years, and for women who had never used o.c. was 41 years. The average duration of o.c. use was 3 years but the average duration of smoking was 20 years for both sexes. All patients were advised to discontinue the three major factors and, in addition, cheese, chocolate, citrus fruit, and alcohol. There was a highly significant improvement in all groups but most patients continued to get migraine attacks or headaches. A food-allergy exclusion diet 7,8 avoiding 1-20 common foods was then carried out faithfully by a group of 30 patients. The monthly incidence of migraines dropped from 187 to 0 in and the incidence of headaches from 284 to 14 (P
