The DASH Diet – Healthy Eating to Control Your Blood Pressure
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What is the DASH diet?
DASH stands for D-ietary A-pproaches to S-top H-ypertension. It is a balanced eating plan that your family healthcare provider might recommend to help you lower your blood pressure. The DASH diet:
- Is low in salt, saturated fat, cholesterol and total fat.
- Emphasizes fruits, vegetables, and fat-free or low-fat milk and milk products.
- Includes whole grains, fish, poultry and nuts.
- Limits the amount of red meat, sweets, added sugars and sugar-containing beverages in your diet.
- Is rich in potassium, magnesium and calcium, as well as protein and fiber.
How can the DASH diet help me stay healthy?
Getting too much sodium (salt) in your diet can contribute to high blood pressure (also called hypertension). Some salt is in foods naturally, and some salt is added to food when it is processed or prepared. Following the DASH diet can help you lower your blood pressure, or prevent high blood pressure, by reducing the amount of sodium in your diet to less than 2,300 mg per day.
The fruits, vegetables and whole grains recommended in the DASH diet provide many other elements of a healthy diet, such as lycopene, beta-carotene and isoflavones. These can help protect your body against common health conditions, such as cancer, osteoporosis, stroke and diabetes. Following the DASH diet can also help reduce your risk of heart disease by lowering your low-density lipoprotein (LDL, or “bad”) cholesterol level.
Following the DASH diet may drop your blood pressure by a few points in as little as 2 weeks. However, you should not stop taking your blood pressure medicine, or any other prescribed medicine, without contacting your healthcare provider first.
What kinds of foods are included in the DASH diet?
The DASH diet is nutritionally balanced for good health. You don’t need to buy any special foods or pills, or cook with any special recipes, to follow the DASH diet. If you follow the DASH diet, you will eat about 2,000 calories each day. These calories will come from a variety of foods.
Where is sodium in my diet?
Food Serving Sodium Content
- ¼ teaspoon (1 ml/cc) table salt 575 mg
- ½ teaspoon (2.5 ml/cc) table salt 1,150 mg
- 1 teaspoon (5 ml/cc) table salt 2,300 mg
- 1 hot dog 460 mg
- 1 regular fast-food hamburger 600 mg
- 2 ounces (57 g) processed cheese 600 mg
- 1 tablespoon (15 ml/cc) soy sauce 900 mg
- 1 serving frozen pizza with meat and vegetables 982 mg
- 8 ounces (227 g) regular potato chips 1,192 mg
The DASH diet
- Whole grains (7 to 8 servings a day)
- Vegetables (4 to 5 servings a day)
- Fruits (4 to 5 servings a day)
- Low-fat or fat-free milk and milk products (2 to 3 servings a day)
- Lean meats, poultry and fish (2 or fewer servings a day)
- Nuts, seeds and dry beans (4 to 5 servings a week)
- Fats and oils (2 to 3 servings a day)
- Sodium (no more than 2,300 mg a day)
You can adapt the DASH diet to meet your needs. For example:
- If you drink alcohol, limit yourself to 2 drinks or less per day for men and 1 drink or less per day for women.
- To reduce your blood pressure even more, replace some of the carbohydrates in the DASH diet with low-fat protein and unsaturated fats.
- If you need to lose weight, reduce the number of calories you eat to about 1,600 per day.
- Follow a lower-sodium version (no more than 1,500 mg daily) if you are 40 years of age or older, you are African Canadian or you already have high blood pressure.
How can I change my eating habits?
Don’t be discouraged if following the DASH diet is difficult at first. Start with small, achievable goals. The following ideas can help you make healthy changes:
- Pay attention to your current eating habits. Make a list of everything you eat for 2 or 3 days. Compare this list to the DASH diet recommendations above and see what changes you need to make in your diet.
- Make one change at a time. For example, start by choosing lower-fat versions of your favorite foods or adding more whole grains to your meals.
- Learn what makes a serving for each type of food. For example, 1 serving equals 1 slice of bread, 250 ml (1 cup) of milk, 250 ml (1cup) of raw vegetables or 125 ml (1/2 cup) of cooked vegetables. For more serving sizes, go to the Heart and Stroke Foundation website. Don’t have a measuring cup? One serving (3 ounces (85 g)) of meat or poultry is about the size of a deck of cards. One serving (125 ml (1/2 cup)) of rice or potato looks like half a baseball, and a serving of cheese is about the size of 4 stacked dice.
- If eating more fruits and vegetables gives you gas, bloating or diarrhea, increase these foods slowly. You can also talk to your family healthcare provider about taking over-the-counter medicines to reduce these symptoms until your body adjusts.
- Get more exercise. Physical activity helps lower your blood pressure and can help you lose more weight.
- Use salt-free seasonings, such as spices and herbs, to add flavor to your recipes and reduce or eliminate salt.
- Include as many fresh and unprocessed foods as possible. Cut back on frozen dinners, packaged mixes, canned soups and bottled salad dressings, which are often high in sodium.
- When buying canned, frozen or processed foods, check nutrition labels for the amount of sodium, sugar and saturated fat. Look for the phrases “no salt added,” “sodium-free,” “low sodium” or “very low sodium” on food packages. Choose foods with monounsaturated and polyunsaturated fats.
- Steam, grill, poach, roast or stir-fry foods. Use low-sodium broth or water instead of butter or oil for sautéing.
- When you eat at a restaurant, ask how foods are prepared. Ask if your order can be made without added salt. Don’t add salty condiments, such as ketchup, mustard, pickles or sauces, to your food.
FOR MORE INFORMATION
Heart and Stroke Foundation