There may be a link between migraines with aura in children and a common heart defect called patent foramen ovale (PFO), says a new study published online in the Journal of Pediatrics this week. About 15% of children suffer with migraines, and of these, about one third have migraine with aura, where symptoms can include blind spots, weakness and even hallucinations. Although the causes of migraine are unclear, some studies of adults have suggested there could be a link with PFO...
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