Porter Health
Understanding Nutrition & Heart Health
A Patient's Guide to Heart-Healthy Eating and the Mediterranean & DASH Diets
What you eat directly impacts your cardiovascular health. Your diet affects blood pressure, cholesterol levels, blood sugar, inflammation, and body weight - all major risk factors for heart disease and stroke.
The American Heart Association added diet to Life's Essential 8:
A heart-healthy diet is one of the 8 key metrics for cardiovascular health. The quality of your diet matters just as much as exercise, sleep, and not smoking.
The Evidence: A heart-healthy diet can reduce your risk of heart disease by 30%, stroke by 20%, and type 2 diabetes by 50%. It's as powerful as medication for many people!
Benefits of a Heart-Healthy Diet:
The Mediterranean diet is the most well-studied eating pattern for cardiovascular health. It's based on the traditional foods of countries bordering the Mediterranean Sea (Greece, Italy, Spain).
What Makes It So Effective?
The PREDIMED trial (7,447 participants) found that the Mediterranean diet reduced:
- Heart attacks, strokes, and cardiovascular deaths by 30%
- Type 2 diabetes risk by 52%
- Atrial fibrillation (irregular heartbeat) by 38%
What to Eat on the Mediterranean Diet
Eat Plenty (Daily):
Vegetables & Fruits
7-10 servings daily. Emphasize colorful vegetables (leafy greens, tomatoes, peppers, eggplant). Fruit is your "dessert".
Whole Grains
Whole wheat bread, brown rice, quinoa, bulgur, oats, whole grain pasta (3-6 servings daily)
Olive Oil
Extra virgin olive oil as your primary fat source (4+ tablespoons daily). Rich in heart-healthy monounsaturated fats.
Legumes & Nuts
Beans, lentils, chickpeas (3+ servings/week). Nuts and seeds (1 oz or 1/4 cup daily, especially walnuts, almonds)
Eat Moderate Amounts:
Fish & Seafood
2-3 servings per week. Emphasize fatty fish high in omega-3s (salmon, mackerel, sardines, herring)
Poultry
2-3 servings per week (chicken, turkey - preferably skinless)
Dairy
Low-fat yogurt and cheese in moderation (daily to weekly). Greek yogurt is particularly nutritious.
Eggs
Up to 7 per week (whole eggs are fine for most people)
Red Wine (Optional)
1 glass with dinner for women, up to 2 for men. Not required - only if you already drink alcohol.
Eat Sparingly (Occasional):
- Red meat (beef, pork, lamb) - less than 2 servings per week, choose lean cuts
- Processed meats (bacon, sausage, deli meat) - avoid or very rare
- Sweets and desserts - small portions, only on special occasions
- Butter and cream - use olive oil instead
- Sugary drinks - replace with water, sparkling water, or unsweetened tea
DASH stands for Dietary Approaches to Stop Hypertension. It's specifically designed to lower blood pressure and is recommended by the American Heart Association, NIH, and USDA.
How Effective Is DASH?
- Lowers systolic blood pressure by 8-14 mmHg (as effective as one medication!)
- Reduces LDL cholesterol by 10-15 mg/dL
- Decreases heart disease risk by 20%
- Lowers stroke risk by 29%
DASH Diet Daily Servings (2,000 calorie diet)
Grains: 6-8 servings/day
Focus on whole grains: 1 slice whole wheat bread, 1 oz dry cereal, 1/2 cup cooked rice/pasta/cereal
Examples: Whole wheat bread, oatmeal, brown rice, whole grain pasta, whole grain cereal (not sugary)
Vegetables: 4-5 servings/day
1 serving = 1 cup raw leafy vegetables, 1/2 cup cooked vegetables
Rich in potassium, magnesium, and fiber. Emphasize: leafy greens, tomatoes, carrots, broccoli, sweet potatoes, squash
Fruits: 4-5 servings/day
1 serving = 1 medium fruit, 1/2 cup fresh/frozen/canned fruit (no added sugar), 1/4 cup dried fruit
High in potassium and fiber. Choose whole fruits over juice.
Lean Protein: 6 oz or fewer/day
Choose: Skinless poultry, fish, lean meat. Trim visible fat. Bake, broil, or grill instead of frying.
Fish high in omega-3s (salmon, mackerel, herring) are especially beneficial - aim for 2 servings/week.
Low-Fat Dairy: 2-3 servings/day
1 serving = 1 cup milk or yogurt, 1.5 oz cheese
Choose fat-free or low-fat (1%). High in calcium and protein. If lactose intolerant, choose lactose-free or fortified soy milk.
Nuts, Seeds, Legumes: 4-5 servings/week
1 serving = 1/3 cup nuts, 2 Tbsp seeds, 1/2 cup cooked beans/lentils
Rich in protein, magnesium, potassium, and healthy fats. Almonds, walnuts, sunflower seeds, kidney beans, lentils, split peas.
Fats & Oils: 2-3 servings/day
1 serving = 1 tsp oil/soft margarine, 1 Tbsp regular salad dressing, 2 Tbsp light dressing
Choose unsaturated fats: olive oil, canola oil, avocado oil. Limit saturated fat (butter, coconut oil).
Sweets: 5 servings or fewer/week
Limit added sugars. Choose fruit for dessert most days. When you do have sweets, keep portions small.
Critical: Limit Sodium (Salt)
Standard DASH: 2,300 mg sodium/day (1 teaspoon salt)
Lower Sodium DASH: 1,500 mg sodium/day (2/3 teaspoon) - even more effective for lowering BP
How to Reduce Sodium:
- Read nutrition labels - choose foods with <140 mg sodium per serving
- Avoid processed foods (biggest source of sodium)
- Don't add salt when cooking or at the table
- Use herbs, spices, lemon, vinegar for flavor
- Rinse canned foods to remove 40% of sodium
Fats: Not All Are Created Equal
✓ GOOD: Unsaturated Fats (Heart-Protective)
Lower LDL cholesterol, reduce inflammation, improve insulin sensitivity
Monounsaturated: Olive oil, avocados, nuts (almonds, cashews, pecans), peanut butter
Polyunsaturated (Omega-3): Fatty fish (salmon, mackerel, sardines), walnuts, flaxseeds, chia seeds
⚠ LIMIT: Saturated Fats
Raise LDL cholesterol. Limit to <7% of total calories (about 15g per day on a 2,000 calorie diet)
Sources: Red meat, butter, cheese, whole milk, coconut oil, palm oil
✗ AVOID: Trans Fats (Toxic to Heart)
Raise LDL cholesterol AND lower HDL cholesterol. No safe level!
Sources: Partially hydrogenated oils, some margarines, fried fast food, commercial baked goods. Check labels - avoid if "partially hydrogenated oil" listed.
Carbohydrates: Choose Quality, Not Quantity
✓ Choose Complex Carbohydrates (High Fiber)
Slow digestion, steady blood sugar, lower cholesterol, keep you full longer
- Whole grains: brown rice, quinoa, oats, whole wheat bread/pasta, bulgur
- Legumes: beans, lentils, chickpeas
- Vegetables: all types, especially starchy ones (sweet potatoes, squash)
- Fruits: whole fruits with skin when possible
✗ Limit Refined Carbohydrates & Added Sugars
Spike blood sugar, increase triglycerides, promote weight gain, increase diabetes risk
- White bread, white rice, white pasta
- Sugary drinks (soda, sweet tea, fruit juice, energy drinks)
- Candy, cookies, cakes, pastries
- Sweetened cereals
Limit added sugars to <6% of calories (women: <25g/day, men: <36g/day)
Fiber Goal: 25-30 grams per day
Fiber lowers LDL cholesterol by 5-10%, improves blood sugar control, and promotes healthy gut bacteria. Most Americans only get 15g/day!
Protein: Choose Lean and Plant-Based Sources
Aim for 0.8-1.2 g/kg body weight per day (about 56-91g for a 150 lb person)
- Fatty fish (salmon, mackerel, sardines)
- Legumes (beans, lentils, chickpeas)
- Skinless poultry
- Low-fat dairy (Greek yogurt, cottage cheese)
- Tofu, tempeh, edamame
- Nuts and seeds
- Red meat (beef, pork, lamb) - <2 servings/week
- Processed meats (bacon, sausage, deli meat) - avoid
- Full-fat dairy
- Fried meats
Meal Planning & Preparation
- Plan meals for the week and make a grocery list
- Batch cook on weekends (prep grains, chop vegetables, cook beans)
- Use the "plate method": 1/2 vegetables, 1/4 whole grains, 1/4 lean protein
- Keep healthy snacks visible and ready (cut vegetables, fruit, nuts)
- Freeze extra portions for quick healthy meals later
Reading Nutrition Labels
Look For:
- Sodium: Less than 140 mg per serving = "low sodium"
- Saturated fat: Less than 1-2g per serving
- Trans fat: 0g (also check ingredients for "partially hydrogenated oil")
- Added sugars: Less than 5g per serving (check ingredients list too)
- Fiber: At least 3g per serving = "good source"
Tip: Ingredients are listed by weight. If sugar is in the top 3 ingredients, it's high in sugar!
Eating Out & Social Situations
- Look at menu ahead of time and decide what to order
- Ask for dressings and sauces on the side
- Choose grilled, baked, or steamed instead of fried
- Request no added salt when ordering
- Share an entree or take half home
- Start with a salad or broth-based soup
- Choose water, unsweetened tea, or sparkling water instead of soda
Smart Grocery Shopping
- Shop the perimeter (fresh produce, lean proteins, dairy)
- Don't shop hungry - you'll buy more junk food!
- Buy frozen vegetables and fruits (just as nutritious, less waste)
- Choose canned goods with "no salt added" or "low sodium"
- Buy whole grains in bulk to save money
- Read labels and compare brands - sodium varies widely
Add Flavor Without Salt
Herbs:
Basil, oregano, thyme, rosemary, cilantro, parsley
Spices:
Cumin, paprika, turmeric, cinnamon, ginger, garlic powder
Acids:
Lemon juice, lime juice, vinegars (balsamic, apple cider, rice)
Aromatics:
Fresh garlic, onions, shallots, ginger
Heat:
Black pepper, cayenne, red pepper flakes
Umami:
Mushrooms, tomatoes, nutritional yeast
Traditional South Asian cuisine can be very heart-healthy when prepared with attention to cooking methods and portion sizes. The emphasis on vegetables, legumes, and flavorful spices aligns well with cardiovascular health.
Traditional Healthy Foods to Emphasize:
Legumes (Dal)
Lentils, chickpeas, kidney beans, mung beans - excellent sources of protein, fiber, and minerals. Aim for 1/2-1 cup cooked daily.
Vegetables
Spinach (saag), cauliflower (gobi), okra (bhindi), eggplant (baingan), tomatoes, peppers. Make vegetables the main portion of your meal.
Whole Grains
Brown rice, whole wheat roti/chapati, millet (ragi), bulgur wheat. Choose whole grains over white rice and refined flour (maida).
Beneficial Spices
Turmeric (anti-inflammatory), cumin (digestion), coriander, fenugreek, ginger, garlic - all have heart-protective properties.
Healthier Cooking Methods:
- Reduce oil and ghee: Use 1-2 tablespoons total per dish instead of 1/4 cup
- Choose heart-healthy oils: olive oil, canola oil, or mustard oil instead of coconut oil
- Bake samosas instead of deep-frying, or enjoy only occasionally
- Make tandoori dishes (grilled) - chicken, fish, vegetables
- Prepare dal with minimal tempering (tadka) - use less oil/ghee
- Steam or sauté vegetables instead of deep-frying (pakoras)
- Use non-stick cookware to reduce oil needed
Foods to Limit:
- Deep-fried foods: samosas, pakoras, bhajis, puri, kachori - save for special occasions
- Sweets: gulab jamun, jalebi, barfi, ladoo - very high in sugar and ghee
- Excess ghee and butter in cooking
- Full-fat dairy: use low-fat milk, yogurt (dahi) instead
- Coconut milk curries - use sparingly or substitute with low-fat yogurt
- White rice - switch to brown rice or reduce portion size
- Refined flour (maida) products - choose whole wheat
Portion Control for Rice and Bread:
Rice: Limit to 1/2-1 cup cooked rice per meal. Fill the rest of your plate with vegetables and dal/protein.
Roti/Chapati: 1-2 small whole wheat rotis per meal (palm-sized). Choose roti over naan or paratha.
Plate Method: 1/2 vegetables, 1/4 dal/protein, 1/4 brown rice or roti
Healthy South Asian Meal Examples:
Breakfast
Oats upma with vegetables, or poha with peanuts and vegetables, or whole wheat paratha (small) with low-fat yogurt
Lunch
Dal (1 cup), sabzi/vegetable curry (1 cup), brown rice (1/2 cup) or 1-2 small whole wheat rotis, side salad
Dinner
Tandoori chicken or fish, palak paneer (made with low-fat paneer and less oil), whole wheat roti (1-2), cucumber raita
Snacks
Fresh fruit, roasted chickpeas (chana), handful of nuts, vegetable sticks with hummus
Traditional Hispanic and Latino cuisine features many heart-healthy ingredients. By focusing on traditional whole foods and choosing healthier cooking methods, you can enjoy flavorful meals that support cardiovascular health.
Traditional Healthy Foods to Emphasize:
Beans (Frijoles)
Black beans, pinto beans, kidney beans - excellent sources of protein, fiber, and minerals. Prepare from dry beans or use low-sodium canned.
Vegetables
Tomatoes, peppers (bell peppers, chiles), onions, tomatillos, squash (calabaza), nopales (cactus), corn. Fill half your plate with vegetables.
Avocado
Rich in heart-healthy monounsaturated fats. Use in moderation (1/4-1/2 avocado per serving) as a healthy fat source.
Whole Grains
Whole grain corn tortillas, brown rice, quinoa. Choose 100% whole grain tortillas over refined white flour.
Healthier Cooking Methods:
- Grill, bake, or broil meats instead of frying - carne asada, pollo asado
- Use olive oil or canola oil instead of lard (manteca) for cooking
- Bake tostadas or tacos instead of frying
- Make salsa fresca and pico de gallo for flavor without added fat
- Prepare beans with vegetable oil or olive oil instead of lard
- Use cilantro, lime, cumin, and chili peppers for bold flavor
- Make homemade versions with less sodium and fat
Healthy Protein Choices:
- Fish and seafood (pescado, camarones, tilapia)
- Grilled chicken (pollo asado, skinless)
- Beans and lentils
- Lean cuts of beef or pork (trimmed)
- Fried meats (chicharrones, carnitas)
- Processed meats (chorizo, salchicha)
- High-fat cuts of meat
- Excess cheese and sour cream
Foods to Limit:
- Fried foods: chicharrones (pork rinds), flautas, churros, fried plantains
- Sweet breads and pastries: pan dulce, conchas, tres leches cake
- Excess cheese: use small amounts of cheese or switch to low-fat versions
- Lard (manteca) in cooking - substitute with olive or canola oil
- High-sodium foods: canned soups, bouillon cubes, seasoning packets
- Sweetened beverages: horchata, aguas frescas with added sugar, sodas
- White rice - choose brown rice or reduce portions
Healthy Hispanic/Latino Meal Examples:
Breakfast
Whole grain corn tortillas with scrambled eggs and salsa, black beans on the side, fresh fruit
Lunch
Chicken fajitas with grilled peppers and onions, whole grain tortillas (2 small), black beans, side salad with lime dressing
Dinner
Grilled fish tacos with cabbage slaw and pico de gallo, brown rice, refried beans (made with olive oil), sliced avocado
Snacks
Fresh fruit with lime and chili powder, vegetable sticks with salsa or guacamole, handful of pepitas (pumpkin seeds)
Traditional soul food has roots in resourcefulness and community. Many traditional ingredients are naturally heart-healthy - it's the preparation methods that make the difference. By adapting cooking techniques while preserving flavor and cultural significance, you can enjoy delicious soul food that supports your health.
Traditional Healthy Foods to Emphasize:
Leafy Greens
Collard greens, mustard greens, turnip greens, kale - rich in vitamins, minerals, and fiber. Prepare with smoked turkey instead of fatback.
Sweet Potatoes
Excellent source of fiber, vitamin A, and potassium. Bake instead of candying. Enjoy with a small amount of butter or cinnamon.
Legumes
Black-eyed peas, butter beans, lima beans, kidney beans - high in protein and fiber. Season with herbs and spices instead of salt pork.
Other Vegetables
Okra, cabbage, tomatoes, green beans - prepare with minimal added fat. Use fresh or frozen vegetables.
Healthier Cooking Methods:
- Bake or grill chicken instead of frying - remove skin before or after cooking
- Use smoked turkey or turkey bacon for flavoring instead of fatback, salt pork, or ham hocks
- Bake "fried" chicken: coat with seasoned cornmeal or breadcrumbs and bake at 400°F
- Make "oven-fried" fish: coat with cornmeal and bake instead of deep-frying
- Prepare greens with vegetable broth and onions instead of pork fat
- Mash sweet potatoes instead of candying them - add cinnamon and a touch of honey
- Use low-sodium broth and limit added salt during cooking
Seasoning Without Excess Salt:
Soul food is known for bold flavors - you can keep that flavor while reducing sodium:
- Use onion powder, garlic powder, paprika, cayenne pepper
- Add fresh onions, garlic, celery, and bell peppers (the "holy trinity")
- Try low-sodium or no-salt seasoning blends
- Use hot sauce sparingly (can be high in sodium)
- Add smoked paprika for smoky flavor without the meat
- Fresh herbs: thyme, sage, bay leaves, parsley
- Lemon juice or vinegar for brightness
Lean Protein Choices:
- Skinless chicken breast or thighs (baked or grilled)
- Fish (catfish, tilapia, salmon - baked not fried)
- Turkey breast or ground turkey
- Beans and legumes as protein source
- Lean cuts of pork or beef (trimmed)
- Fried chicken and fried fish
- Pork products: bacon, salt pork, fatback, ham hocks
- High-fat cuts of meat
- Processed meats: sausages, hot dogs
- Organ meats (high in cholesterol)
Foods to Limit:
- Deep-fried foods: fried chicken, fried fish, hushpuppies, fried okra
- Pork fat in cooking: fatback, salt pork, bacon grease
- High-sodium seasonings: seasoning salt, meat tenderizers
- Sugary drinks: sweet tea, fruit punch, soda
- Candied sweet potatoes and yams with excess butter and sugar
- Mac and cheese made with full-fat cheese and butter
- Cornbread made with excess butter - use small portions
- Desserts: peach cobbler, sweet potato pie, pound cake - save for special occasions
Healthy Soul Food Meal Examples:
Breakfast
Scrambled eggs with vegetables, turkey sausage, grits (small portion) with a touch of butter, fresh fruit
Lunch
Baked chicken (skinless), collard greens (cooked with smoked turkey), black-eyed peas, small piece of cornbread
Dinner
Oven-baked catfish with cornmeal crust, baked sweet potato with cinnamon, cabbage sautéed with onions, green beans
Sunday Dinner
Grilled or baked chicken, collard greens, lima beans, baked mac and cheese (made with low-fat cheese), small portion
Use this checklist to guide your conversation about heart-healthy eating:
A heart-healthy diet can reduce cardiovascular disease risk by 30% - as powerful as medication
Mediterranean diet is the gold standard: emphasize vegetables, fruits, whole grains, olive oil, fish, nuts
DASH diet lowers blood pressure by 8-14 mmHg - as effective as one medication
Limit sodium to <1,500-2,300 mg/day (about 1 teaspoon salt)
Choose unsaturated fats (olive oil, nuts, fish) over saturated fats (red meat, butter)
Avoid trans fats completely - check labels for "partially hydrogenated oils"
Eat 25-30g fiber daily from whole grains, vegetables, fruits, and legumes
Limit added sugars to <25-36g/day - avoid sugary drinks
Use the plate method: 1/2 vegetables, 1/4 whole grains, 1/4 lean protein
Read nutrition labels and choose foods with <140mg sodium and <2g saturated fat per serving
References:
Estruch R, Ros E, Salas-Salvadó J, et al. Primary Prevention of Cardiovascular Disease with a Mediterranean Diet Supplemented with Extra-Virgin Olive Oil or Nuts. N Engl J Med. 2018;378(25):e34. doi:10.1056/NEJMoa1800389
Appel LJ, Moore TJ, Obarzanek E, et al. A clinical trial of the effects of dietary patterns on blood pressure. DASH Collaborative Research Group. N Engl J Med. 1997;336(16):1117-1124.
Lichtenstein AH, Appel LJ, Vadiveloo M, et al. 2021 Dietary Guidance to Improve Cardiovascular Health: A Scientific Statement From the American Heart Association. Circulation. 2021;144(23):e472-e487.
U.S. Department of Agriculture and U.S. Department of Health and Human Services. Dietary Guidelines for Americans, 2020-2025. 9th Edition. December 2020.