DASH stands for Dietary Approaches to Stop Hypertension. This diet, recommended by the U.S. National Heart, Lung, and Blood Institute since the late 1990s, aims to lower blood pressure and improve cardiovascular health.
The principles of the DASH diet are:
Reduce salt in your daily diet.
Increase your intake of vegetables, fruits, and whole grains.
Limit saturated fat and bad cholesterol.
Prioritize foods rich in potassium, calcium, and magnesium – substances that play a role in naturally lowering blood pressure.
Not only does the DASH diet help prevent and control high blood pressure – the number one risk factor for stroke – it also supports weight loss, regulates blood sugar, and reduces blood lipids.
2. Why does the DASH diet help prevent stroke?
(1) Lowering blood pressure – preventing the “silent killer”
High blood pressure damages blood vessel walls, making them more susceptible to blood clots or rupture, leading to cerebral infarction and cerebral hemorrhage. DASH helps reduce sodium intake and provides minerals that support vasodilation, thereby stabilizing blood pressure.
(2) Improve blood cholesterol
DASH encourages the consumption of healthy fats from vegetable oils, fatty fish, and nuts – which help increase “good” cholesterol (HDL) and decrease “bad” cholesterol (LDL). This reduces the risk of atherosclerosis – a direct cause of cerebral vascular blockage.
(3) Weight control, obesity prevention
Obesity increases the burden on the cardiovascular system and the risk of stroke. The DASH diet focuses on low-calorie, nutrient-rich foods to help maintain a healthy weight.
(4) Stabilize blood sugar
This diet prioritizes whole grains and limits refined sugar, helping to reduce blood sugar fluctuations – a risk factor for stroke in people with diabetes.
3. Nutritional principles in the DASH diet
A standard DASH diet (2000 calories/day) typically includes:
Fruits and vegetables: 4–5 servings/day. Examples: leafy greens, carrots, cauliflower, oranges, apples, bananas.
Whole grains: 6–8 servings/day. Examples: brown rice, whole-wheat bread, oatmeal.
High-protein, low-fat foods: 2 servings/day. Examples: chicken breast, fish, tofu.
Low-fat milk: 2–3 servings/day. Examples: skim milk, plain yogurt.
Nuts and legumes: 4–5 servings/week. Examples: walnuts, almonds, lentils.
Healthy fats: 2–3 servings per day, from olive oil and canola oil.
Red meat and sweets: Limit them as much as possible.
4. Foods to prioritize and foods to avoid.
Priority should be given to:
Dark green leafy vegetables (spinach, kale).
Fruits rich in potassium (bananas, oranges, avocados).
Fatty fish are rich in omega-3 fatty acids (salmon, mackerel).
Whole grains should be used instead of white rice and white bread.
Unsalted beans and nuts.
Restrictions are needed:
Salt and processed foods (instant noodles, sausages, canned goods).
Fatty meat, animal skin, and offal.
Refined sugar, sweets, and carbonated soft drinks.
Fried foods are very greasy.
Alcohol and tobacco.
5. Some suggested DASH menus for the day
Breakfast: Oatmeal + low-fat milk + a banana.
Lunch: Brown rice + grilled salmon + vegetable salad + zucchini soup.
Snack: A handful of unsalted roasted almonds.
Dinner: Steamed chicken breast + boiled cauliflower + baked sweet potatoes.
Dessert: An apple or an orange.
This menu is both nutritionally balanced and helps reduce salt and saturated fat intake.
6. Advice when applying the DASH diet
Salt should be reduced gradually, replacing it with natural seasonings (lemon, garlic, herbs).
Maintain a habit of exercising for at least 30 minutes each day to increase the effectiveness of stroke prevention.
Combine regular health screenings to detect risk factors early.
Be persistent, because DASH is not a short-term diet but a long-term healthy lifestyle.
7. Conclusion
The DASH diet is not only a nutritional approach to lowering blood pressure and protecting cardiovascular health, but also a crucial key to preventing stroke – a dangerous disease that can strike unexpectedly. Changing your eating habits starting today will help you and your family maintain stable health, live safer lives, and enjoy a higher quality of life.
A healthy diet, combined with regular exercise and routine health checkups, is a solid shield against the risk of stroke.
Source: https://skr.vn/che-do-an-dash-giup-phong-ngua-dot-quy-hieu-qua/
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