These are not listed in any particular sequence:
Stress;
Menstruation;
Irregular or missing out on meals;
Excessive caffeine;
Particular foods and drink (alcohol, cheese, pizza, chocolate, ice cream, fatty or fried food, lunch meats, hot dogs, yogurt, aspartame, or anything with MSG, a seasoning often used in Asian foods);
Changes in sleep patterns;
Changes in hormone levels;
Smoking;
Dramatic changes in weather patterns;
Long distance travel by any or a particular means. .
Experts also believe that the likelihood of getting migraines is inherited. If one of your parents is/was prone to migraines, you have a greater chance of having these types of headaches than someone who doesn't have a family history of migraines.