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Stressed out? It may increase risk of stroke, reports research

Some people living with chronic stress have a higher risk of stroke, according to a study published on March 5, 2025, online in Neurology, the medical journal of the American Academy of Neurology. The study looked at younger adults and found an association between stress and stroke, with no known cause, in female participants, but not male participants. This study does not prove that stress causes stroke; it only shows an association.
“Younger people often experience stress due to the demands and pressures associated with work, including long hours and job insecurity, as well as financial burdens,” said Nicolas Martinez-Majander, MD, PhD, of the Helsinki University Hospital in Finland. “Previous research has shown that chronic stress can negatively affect physical and mental health. Our study found it may increase the risk of stroke in younger women.”
For the study, researchers looked at 426 people aged 18 to 49 who had an ischemic stroke with no known cause. They were matched for age and sex with 426 people who did not have stroke. Ischemic stroke is when blood flow is blocked to part of the brain. It can lead to weakness, trouble speaking, vision problems or even death.
Participants completed a questionnaire about stress levels over a one-month period. Those with stroke were asked after their stroke to record stress levels in the month prior to their stroke. Participants were asked 10 questions, such as “In the last month, how often have you felt that you were unable to control the important things in your life?” Scores for each question ranged from zero to four, with four meaning “very often.” A total score of 0 to 13 represented low stress; 14 to 26, moderate stress; and 27 to 40, high stress. Those with stroke had an average score of 13 compared to those without stroke who had an average score of 10.
People with stroke were more likely to have at least moderate stress levels. Of those with stroke, 46% had moderate or high stress levels compared to 33% of those who did not have stroke.
After adjusting for factors that could affect risk of stroke such as education level, alcohol use and blood pressure, researchers found for female participants, moderate stress was associated with a 78% increased risk of stroke and high stress was associated with a 6% increased risk. Researchers did not find a link between stress and stroke in male participants.
“More research is needed to understand why women who feel stressed, but not men, may have a higher risk of stroke,” said Martinez-Majander. “In addition, we need to further explore why the risk of stroke in women was higher for moderate stress than high stress. Knowing more about how stress plays a role could help us to create better ways to prevent these strokes.”
A limitation of the study was that people experiencing higher levels of stress may have been less likely to enroll in the study, which could have affected the results.
Reference:
Kutal, S., et al. (2025) Association Between Self-Perceived Stress and Cryptogenic Ischemic Stroke in Young Adults. A Case-Control Study. Neurology. doi.org/10.1212/WNL.0000000000213369.
Dr Kamal Kant Kohli-MBBS, DTCD- a chest specialist with more than 30 years of practice and a flair for writing clinical articles, Dr Kamal Kant Kohli joined Medical Dialogues as a Chief Editor of Medical News. Besides writing articles, as an editor, he proofreads and verifies all the medical content published on Medical Dialogues including those coming from journals, studies,medical conferences,guidelines etc. Email: drkohli@medicaldialogues.in. Contact no. 011-43720751