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A new large study from the Ben-Gurion University of the Negev<\/a> brings us closer to understanding this link. <\/p>\n The research shows that the environment<\/a> does not act in a single moment. Instead, it builds pressure over time and then pushes the brain past its limit.<\/p>\n Environment builds migraine risk<\/p>\n The study\u2019s view changes how we think about migraine triggers and prevention. <\/p>\n \u201cThese results help us to better understand how and when migraine attacks occur,\u201d said Dr. Ido Peles.<\/p>\n \u201cThey suggest that for people who have a susceptibility to migraine to begin with, environmental factors<\/a> may play two roles: intermediate-term factors such as heat and humidity may modify the risk for attacks, while short-term factors such as spikes in pollution levels may trigger attacks.\u201d<\/p>\n Migraines involve more than brain<\/p>\n Migraine is not just a condition of the brain. It begins with biological sensitivity, but that is only part of the story. The study suggests that environmental factors interact with this sensitivity in complex ways.<\/p>\n Air pollution, sunlight, temperature, and humidity all send signals to the body. These signals affect blood vessels, inflammation, and nerve activity. Together, they influence how close a person is to a migraine episode.<\/p>\n This means a migraine does not appear out of nowhere. It builds on a background of vulnerability shaped by both biology<\/a> and surroundings.<\/p>\n Pollution slowly increases migraine risk<\/p>\n Some environmental effects act slowly. Long-term exposure to pollutants like fine particulate matter and nitrogen dioxide increases inflammation in the body. Over days or weeks, this raises the brain\u2019s sensitivity.<\/p>\n The study tracked medication use over time and found that higher pollution exposure was linked to greater use of migraine drugs. This suggests a steady increase in disease burden, not just sudden attacks.<\/p>\n In simple terms, the environment can quietly prepare the ground for migraines before any pain begins.<\/p>\n Sudden changes trigger migraines<\/p>\n While long-term exposure sets the stage, short-term changes can act as the final push. The study showed that higher levels of nitrogen dioxide and stronger solar radiation increased the chance of a migraine-related emergency visit within a day.<\/p>\n These triggers act fast. They activate nerve pathways linked to pain and release molecules that affect blood vessels in the brain. This rapid response lowers the threshold for a migraine episode.<\/p>\n Not all days carry the same risk, even with similar pollution<\/a> levels. The study shows that weather conditions shape how strong these triggers become.<\/p>\n Hot and dry summer weeks made the effect of pollution stronger. Cold and humid winter weeks increased the impact of fine particles.<\/p>\n This means the same pollutant can have different effects depending on the surrounding climate. The body responds not only to single factors but to their combination.<\/p>\n A hot day during a cool week may feel more stressful to the body than a hot day in an already warm period. These shifts matter.<\/p>\n Plan ahead to prevent migraines<\/p>\n This layered view opens new ways to manage migraines. Instead of reacting after pain begins, people can prepare for high-risk periods.<\/p>\n \u201cThese findings highlight opportunities for anticipating what care will be needed,\u201d said Dr. Peles.<\/p>\n \u201cAs climate change intensifies the frequency of heat waves, dust storms and pollution episodes, we will need to integrate these environmental risk factors into our guidance for people with migraine.\u201d<\/p>\n \u201cWhen high-risk exposure periods are in the forecast, doctors can advise people to limit their outdoor activity and use air filters, take short-term preventative medications and start using their migraine drugs at the first sign of a problem to ward off attacks.\u201d<\/p>\n Simple steps reduce risk<\/p>\n Simple steps can help. Limiting outdoor exposure during high pollution days, using air filtration indoors, and adjusting routines during extreme weather can reduce risk. <\/p>\n Doctors may also time preventive treatments based on environmental forecasts.<\/p>\n Technology could play a role too. Apps that combine weather and pollution data may warn users before conditions become risky.<\/p>\n Climate change raises migraine risk<\/p>\n The study also points to a broader issue. As climate change increases heatwaves and air pollution events, more people may face these triggers more often.<\/p>\n Migraine is no longer just a personal health issue. It is also linked to the environment we live in. Understanding this connection may help people stay one step ahead of the pain.<\/p>\n The study is published in the journal Neurology<\/a>.<\/p>\n \u2014\u2013<\/p>\n Like what you read? Subscribe to our newsletter<\/a> for engaging articles, exclusive content, and the latest updates.<\/p>\n Check us out on EarthSnap<\/a>, a free app brought to you by Eric Ralls<\/a> and Earth.com.<\/p>\n \u2014\u2013<\/p>\n","protected":false},"excerpt":{"rendered":"Migraines often feel unpredictable. One day feels normal, but the next brings intense pain that disrupts work, sleep,…\n","protected":false},"author":2,"featured_media":382564,"comment_status":"","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[10],"tags":[134,111,139,69],"class_list":{"0":"post-382563","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-health","8":"tag-health","9":"tag-new-zealand","10":"tag-newzealand","11":"tag-nz"},"_links":{"self":[{"href":"https:\/\/www.newsbeep.com\/nz\/wp-json\/wp\/v2\/posts\/382563","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.newsbeep.com\/nz\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.newsbeep.com\/nz\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.newsbeep.com\/nz\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.newsbeep.com\/nz\/wp-json\/wp\/v2\/comments?post=382563"}],"version-history":[{"count":0,"href":"https:\/\/www.newsbeep.com\/nz\/wp-json\/wp\/v2\/posts\/382563\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.newsbeep.com\/nz\/wp-json\/wp\/v2\/media\/382564"}],"wp:attachment":[{"href":"https:\/\/www.newsbeep.com\/nz\/wp-json\/wp\/v2\/media?parent=382563"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.newsbeep.com\/nz\/wp-json\/wp\/v2\/categories?post=382563"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.newsbeep.com\/nz\/wp-json\/wp\/v2\/tags?post=382563"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}