- Subarachnoid Hemorrhage (SAH)
- Joni-V.-Lindbohm and Scientific Reports Journal
- One of the many benefits of daily exercise
- Beating the heat and avoiding injury
Subarachnoid Hemorrhage (SAH)
SAH is the most deadly of cerebral circulation disorders, claiming the lives of up to half of sufferers inside of 3 months. For this reason, research into underlying causes or related factors has been ongoing for tens of years. Although smoking and other contributors to high blood pressure are already known to increase the chance of SAH developing, research on ways to reduce the risk or prevent the development of SAH is few and far between. That said, it’s stressed that smoking is still the top risk factor for SAH and quitting the most effective way to prevent it. SAH is most often caused by ruptured cerebral aneurysms, resulting in blood flowing from the cerebral arteries into space between meninges or membranes that surround the brain. This causes increased intracranial pressure, resulting in the reduced cerebral circulation that creates it.
Joni V. Lindbohm and Scientific Reports Journal
Joni V. Lindbohm of the University of Helsinki led a Finnish population-based long-term cohort study on the link between physical activity and aneurysmal subarachnoid hemorrhage. The cohort consisted of about 70,000 Finns from the FINRISK population survey and was published in the Scientific Reports journal. The main finding of the study is that every 30 minutes of leisure-time physical activity (LTPA), a form of measurable exercise, resulted in a 5% reduction in SAH risk for both genders. This could take the form of skiing or swimming and theoretically be extended to 5 hours for a 40% reduction.
One of the many benefits of daily exercise
This perhaps comes as a surprise to no one that daily exercise is key in preventing cardiovascular diseases. But to further support this, neurosurgeon Miikka Korja who contributed to the SAH study explains that it’s likely associated with reducing the frequency of a systemic inflammatory state, also affecting the walls of cerebral arteries. The extent of this benefit differs depending on people’s habits and lifestyle. This is most evident with smokers for whom daily exercise reduces the risk of SAH by up twice as much.
The other metrics in this study are occupational physical activity (OPA) and commuting physical activity (CPA), relating to exercise at work and while traveling.
Beating the heat and avoiding injury
We also have an article on how best to exercise during summer, ensuring you and your motivation don’t tire out.
Did I overlook something important? Something that should be changed or added? Go ahead and let me know in the comments!
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The writer of the article:
Exercise an effective protection against life-threatening cerebral haemorrhage | University of Helsinki
Physical activity associates with subarachnoid hemorrhage risk– a population-based long-term cohort study | Scientific Reports