The risk jumps 73 percent for those with aura, but not for those without.
For decades, the migraine with aura has been understood as a neurological curiosity — a shimmering disturbance at the edge of perception before pain arrives. Now, a large study of more than 11,000 middle-aged and older adults suggests that this same visual phenomenon may be a quiet signal of deeper vascular vulnerability, carrying a 73 percent elevated risk of ischemic stroke. The finding does not establish cause, but it asks clinicians and patients alike to regard the aura not merely as a prelude to headache, but as a possible messenger from the body's circulatory life.
- Among adults averaging 72 years old, those who experienced migraine with aura were 73% more likely to suffer an ischemic stroke over six years — a risk that persisted even after accounting for diabetes, hypertension, and other known stroke factors.
- Migraine without aura carried no elevated stroke risk at all, drawing a sharp and clinically significant line between two conditions often grouped together.
- An unexpected finding upended assumptions: men under 72 with any migraine type faced more than 3.5 times the stroke risk, reversing the female-dominant pattern seen in younger migraine populations.
- Researchers could not determine when participants first developed migraine, leaving open the question of whether the duration or timing of the condition shapes its vascular danger.
- The study's authors are calling for targeted stroke prevention counseling for at-risk groups — particularly younger middle-aged men with migraine — while awaiting confirmation from future research.
A study published in May 2026 in Neurology® Open Access has found that migraine with aura — the shimmering, jagged visual disturbances that sometimes precede a migraine headache — is associated with a 73 percent higher risk of ischemic stroke in middle-aged and older adults. The research tracked 11,381 participants with an average age of 72, none of whom had experienced a stroke at the study's outset. Over six years of follow-up, 5 percent of those with aura suffered a stroke, compared to 3 percent among those without the condition.
The elevated risk held firm even after researchers adjusted for age, race, income, and major cardiovascular risk factors. Crucially, migraine without aura showed no association with increased stroke risk — a distinction that sharpens the clinical picture considerably. The aura itself, it seems, may be the meaningful variable.
The study's most surprising result involved male participants under 72. Those with any type of migraine — aura or not — faced more than 3.5 times the stroke risk of their peers. This contradicts patterns in younger populations, where women have historically carried the greater stroke burden among migraine sufferers. Lead author Adam Sprouse Blum of the University of Vermont called the finding unexpected and urged further investigation.
One limitation tempers the conclusions: researchers did not record when participants first developed migraine, making it impossible to know whether long-standing or recently acquired migraine carries different risks. Still, the findings point toward a need for more deliberate clinical conversations — particularly for men under 72 with migraine — about stroke prevention, as researchers work to understand the biological pathways connecting the aura to vascular events.
A study of more than 11,000 middle-aged and older adults has found that people who experience migraine with aura—the visual disturbances that sometimes precede a migraine headache—face a significantly elevated risk of ischemic stroke. The research, published in May 2026 in Neurology® Open Access, the official journal of the American Academy of Neurology, adds to a growing body of evidence linking this particular type of migraine to cardiovascular complications, though the relationship remains correlational rather than causal.
An aura typically manifests as a visual phenomenon: a blurry patch that expands across the field of vision, often with a jagged, shimmering border. Some people experience other sensory disturbances instead. Ischemic stroke, the blockage of blood flow to part of the brain, is the most common form of stroke. The new findings suggest that among people experiencing migraine with aura, the risk of suffering an ischemic stroke is 73 percent higher than among those without this condition. Notably, migraine without aura showed no such association with increased stroke risk.
The study tracked 11,381 participants with an average age of 72 who had not experienced a stroke at the beginning of the research period. Researchers asked whether participants had ever been diagnosed with migraine by a healthcare provider, and if so, whether visual changes preceded their headaches. Among the group, 1,130 people reported having migraines—491 with aura and 639 without. Over an average follow-up of six years, the differences became apparent. While 3 percent of people without migraine experienced a stroke, 4 percent of those with migraine did. The gap widened for those with aura: 5 percent had a stroke, compared to 3 percent among those without aura.
When researchers adjusted their analysis for age, race, income, and major stroke risk factors like diabetes and high blood pressure, the overall association between migraine and stroke disappeared. But when they separated people with aura from those without, a clear pattern emerged. Those with aura retained a 73 percent elevated stroke risk. Those without aura showed no increased risk at all.
One finding surprised the research team. Male participants under age 72 who had migraine—whether with or without aura—showed more than a 3.5-fold increase in stroke risk. This contradicts patterns observed in younger populations, where women have historically borne a disproportionate stroke burden among migraine sufferers. Female participants and older male participants did not show this elevated risk. Adam Sprouse Blum, the study's lead author from the University of Vermont, acknowledged the unexpected nature of this result and called for further investigation to understand why middle-aged men with migraine appear so vulnerable.
The researchers acknowledged a limitation in their work: they did not record the age at which participants first developed migraine, making it impossible to distinguish between people who had suffered from the condition for decades and those who developed it more recently. This gap could matter significantly if the timing of migraine onset influences stroke risk differently across age groups.
The findings suggest a need for more targeted clinical attention. If future studies confirm these associations, Sprouse Blum noted, healthcare providers may need to counsel certain groups—particularly men under 72 with migraine—more aggressively about stroke prevention strategies. The work opens questions about the biological mechanisms linking aura to vascular events and why the risk profile differs so markedly between men and women at different life stages.
Notable Quotes
Similar to younger people, migraine with aura was associated with an increased risk of ischemic stroke in middle-aged and older adults.— Adam Sprouse Blum, MD, PhD, University of Vermont
Future studies are needed to better understand these findings. Should the findings be confirmed, it may be necessary to provide targeted stroke prevention counseling for individuals in this age group.— Adam Sprouse Blum, MD, PhD
The Hearth Conversation Another angle on the story
Why does aura matter so much more than the migraine itself?
The aura seems to be a marker of something happening in the brain's blood vessels. Without aura, the migraine doesn't carry extra stroke risk. With it, the risk jumps 73 percent. That's a significant difference, and it suggests the visual disturbance is tied to the vascular mechanism that also threatens the brain.
The study followed people for six years. That's not very long in a person's life. Could the risk change over time?
That's a real limitation. We don't know if someone who's had migraine with aura for 30 years faces the same risk as someone who just developed it. The stroke risk might accumulate, or it might plateau. We're looking at a snapshot.
The male under-72 finding seems to contradict everything we thought we knew. What does that tell us?
It tells us we don't fully understand the interaction between age, sex, and migraine. In younger populations, women with migraine aura have historically been the concern. But in this middle-aged group, men suddenly show much higher risk. Something changes with age, or something about how men's vascular systems respond to migraine is different than we assumed.
If I have migraine with aura, what should I do right now?
Talk to your doctor. This study shows an association, not a guarantee. But it's real enough that your doctor should know, especially if you're male and under 72. You might benefit from more aggressive management of other stroke risk factors—blood pressure, cholesterol, smoking. The study doesn't prove aura causes stroke, but it's a signal worth taking seriously.
Why is the distinction between aura and no aura so sharp? Why doesn't migraine without aura show any increased risk?
That's the central mystery. It suggests the aura itself—the vascular event in the brain that creates the visual disturbance—is what matters. Migraine without aura might be a different biological process entirely. Understanding that difference could unlock why some people's migraines threaten their brains and others' don't.