Migraines may raise depression risk: study
URL of this page: http://www.nlm.nih.gov/medlineplus/news/fullstory_119079.html(*this news item will not be available after 02/22/2012)
Thursday, November 24, 2011
By Andrew M. Seaman
NEW YORK (Reuters Health) - People who get painful migraine headaches may be at a higher risk for developing clinical depression, suggests a new study from Canada.
The research, published in the journal Headache, also hints that the relationship may go both ways, and people with clinical depression could have a higher risk of developing migraines, but that finding could have been due to chance, the researchers say.
Nonetheless, lead author Geeta Modgill, who was at the University of Calgary while conducting the work, told Reuters Health that migraine and depression sufferers should know the signs of both ailments since each might be at a higher risk for the other condition.
Migraines are throbbing headaches, sometimes on just one side of the head, that can make a person nauseous and sensitive to light. At times they may be preceded by visual disturbances known as auras.
Depression is a serious mental disorder defined by a collection of symptoms that can include sadness, insomnia, fatigue and emotional numbness.
Modgill's group pulled data from the Canadian National Population Health Survey, which profiled over 15,000 people and followed up with them every two years between 1994 and 2007.
Overall, about 15 percent of the people in the study experienced depression and about 12 percent experienced migraines throughout the 12 years of the study.
Cases of depression were significantly more common among people who had migraines at the beginning of the study - 22 percent of migraine sufferers got depressed, versus 14.6 percent of those who didn't have migraines.
That made participants with migraines 80 percent more likely than people without the headaches to develop depression, and the link held up after adjusting for other influences like age and sex.
People with depression were also 40 percent more likely than the non-depressed to develop migraines, but the relationship was not as robust. Also, the association disappeared when the data were adjusted for stress and childhood trauma.
The researchers said childhood stress may change how a brain responds to stress later in life, and this type of study cannot tease out those biological effects.
The study also cannot determine cause and effect for the link seen between depression and migraine.
Despite no evident mechanism, Modgill said, "Something is going on here."
Dr. Peter Goadsby, professor of neurology and director of the Headache Center at the University of California, San Francisco, said research linking depression and migraine headaches goes back several decades. He called the study a "useful contribution" to existing research.
"It affirms this biological association, and makes this important point that depression doesn't just give you headaches," said Goadsby, who also serves on committees of the American Academy of Neurology.
"The next step should focus on exploring how this information can be used by clinicians," said the study's authors.
SOURCE: http://bit.ly/tz9Cu8 Headache, online November 15, 2011.
NEW YORK (Reuters Health) - People who get painful migraine headaches may be at a higher risk for developing clinical depression, suggests a new study from Canada.
The research, published in the journal Headache, also hints that the relationship may go both ways, and people with clinical depression could have a higher risk of developing migraines, but that finding could have been due to chance, the researchers say.
Nonetheless, lead author Geeta Modgill, who was at the University of Calgary while conducting the work, told Reuters Health that migraine and depression sufferers should know the signs of both ailments since each might be at a higher risk for the other condition.
Migraines are throbbing headaches, sometimes on just one side of the head, that can make a person nauseous and sensitive to light. At times they may be preceded by visual disturbances known as auras.
Depression is a serious mental disorder defined by a collection of symptoms that can include sadness, insomnia, fatigue and emotional numbness.
Modgill's group pulled data from the Canadian National Population Health Survey, which profiled over 15,000 people and followed up with them every two years between 1994 and 2007.
Overall, about 15 percent of the people in the study experienced depression and about 12 percent experienced migraines throughout the 12 years of the study.
Cases of depression were significantly more common among people who had migraines at the beginning of the study - 22 percent of migraine sufferers got depressed, versus 14.6 percent of those who didn't have migraines.
That made participants with migraines 80 percent more likely than people without the headaches to develop depression, and the link held up after adjusting for other influences like age and sex.
People with depression were also 40 percent more likely than the non-depressed to develop migraines, but the relationship was not as robust. Also, the association disappeared when the data were adjusted for stress and childhood trauma.
The researchers said childhood stress may change how a brain responds to stress later in life, and this type of study cannot tease out those biological effects.
The study also cannot determine cause and effect for the link seen between depression and migraine.
Despite no evident mechanism, Modgill said, "Something is going on here."
Dr. Peter Goadsby, professor of neurology and director of the Headache Center at the University of California, San Francisco, said research linking depression and migraine headaches goes back several decades. He called the study a "useful contribution" to existing research.
"It affirms this biological association, and makes this important point that depression doesn't just give you headaches," said Goadsby, who also serves on committees of the American Academy of Neurology.
"The next step should focus on exploring how this information can be used by clinicians," said the study's authors.
SOURCE: http://bit.ly/tz9Cu8 Headache, online November 15, 2011.
Reuters Health
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