US Pharm. 2007;32(9):66. 

If you think that having money causes more headaches, think again. According to a multicenter study published in the journal Neurology, assuming there is no genetic link, children from families with an annual household income of $90,000 or more had a 50% lower occurrence rate of migraine headaches compared with children from households with an annual income less than $22,500. However, income had no influence on migraines in families with a hereditary predisposition to the condition.

According to Marcelo Bigal, MD, of the Albert Einstein College of Medicine, the results "mandate a search for environmental risk factors associated with low income which increase the one-year period prevalence of migraine." The researchers plan to examine nutrition, emotional and physical stress, and disparities in treatment patterns as potential contributors to migraine.

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