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Every year, in France, nearly 140,000 people are victims of stroke (stroke). Diet plays a key role in prevention. And the banana arouses some interest. Easy to consume and rich in potassium, it seems to have serious benefits. But can it really make a difference? Should you eat it every day? We take stock with Vanessa Bedjaï-Haddad, dietitian nutritionist.
Can bananas really prevent strokes?
No, not on her own, replies the dietitian. And to specify: “The banana East an interesting source of potassiuma mineral involved in the regulation of blood pressure. However, well-controlled blood pressure is a key factor in preventing strokes.” In other words, anything that helps maintain good blood pressure can help reduce the risk.
Does the potassium in bananas really protect?
Yes, but indirectly. In detail, the potassium aide eliminate excess sodium in the body and relax the walls of blood vessels. Result: the blood pressure drop.
Several scientific data point in this direction:
- A meta-analysis published in the BMJ (2013) showed that high potassium intake was associated with a reduction in the risk of stroke of up to 24%.
- The WHO also recommends a daily intake of at least 3 500 mg de potassium for adults to reduce the risk of stroke.
A medium banana provides around 350 to 400 mg of potassium. It therefore contributes to the contributions… But it is not enough on its ownunderlines Vanessa Bedjaï-Haddad.
Stroke: one food alone is not enough to ward off the risk!
Because the risk of stroke depends on many factors. Diet, physical activity, tobacco, alcohol, stress, sleep… Everything plays a role.
- The Mediterranean diet (rich in fruits, vegetables, olive oil, fish) is associated with a significant reduction in the risk of stroke.
- Conversely, a diet rich in salt and ultra-processed products increases the risk ofhypertensiontherefore stroke.
Should you eat bananas every day to protect yourself?
No, not necessarily. But you can consume it regularly.
The ideal is to vary the sources of potassium:
- Other fruitslike bananas, oranges or apricots.
- Vegetablessuch as spinach, sweet potatoes or broccoli.
- Legumeslike lentils or beans.
Banana should not replace dietary diversity!
Reminder: what are the good reflexes to reduce the risk of stroke?
Good news: we can take daily action to protect our arteries (and our brain)!
Reduce salt
The World Health Organization recommends not exceeding 5 g of salt per day (about a teaspoon) to limit the risk of hypertension, the primary risk factor for stroke.
In practice: limit industrial dishes, often very salty, taste before re-salting, use herbs and spices to enhance the taste.
Mediterranean eating
Objective : at least 5 servings per day. They are rich in potassium, fiber and antioxidants, which help regulate blood pressure and protect vessels.
In practice: add fruit to breakfast, have raw vegetables or soup for lunch and dinner, keep fruit on hand for snacks.
Move regularly
No need to be a top athlete. The important thing is regularity: at least 30 minutes of moderate activity per day (brisk walking, cycling, gardening, etc.).
Physical activity helps: control weight; reduce tension; improve blood circulation.
Monitor your blood pressure
High blood pressure often goes unnoticed. Regular monitoring is essential, especially:
- After 40 years,
- In case of diabetes,
- In case of overweight,
- Or family history.
Follow-up allows you to act early, if necessary!
Avoid tobacco and limit alcohol
Alcohol and tobacco are two major factors in stroke: tobacco damages the walls of the vessels and alcohol, in excess, increases blood pressure.
In summary, no, eating bananas is not enough to prevent strokes. But it can contribute… As part of a healthy lifestyle. By eating a varied diet, limiting salt and staying active, you actually reduce your risk. Good news: it’s never too late to start – and every choice counts !
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