Heart Shielding: Understanding Your Emotional Defense – Selahattin Dönmez
- Expert Dietitian Selahattin Dönmez reveals the dietary strategies to build a "shield" around your heart and safeguard your arteries.Updated as of September 13,2025.
- The cardiovascular system, encompassing the heart and blood vessels, is responsible for delivering oxygen and nutrients throughout the body.
- Diet plays a crucial role in maintaining cardiovascular health.
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The Secret to Protecting Your Heart: How to Fortify Your Blood Vessels
Expert Dietitian Selahattin Dönmez reveals the dietary strategies to build a ”shield” around your heart and safeguard your arteries.Updated as of September 13,2025.
Understanding the Cardiovascular system and its Vulnerabilities
The cardiovascular system, encompassing the heart and blood vessels, is responsible for delivering oxygen and nutrients throughout the body. However, this intricate network is susceptible to damage from factors like high blood pressure, high cholesterol, inflammation, and oxidative stress. Damage to blood vessels can lead to atherosclerosis – the buildup of plaque – increasing the risk of heart attack and stroke. According to the Centers for Disease Control and Prevention (CDC), heart disease is the leading cause of death for both men and women in the United States.
Diet plays a crucial role in maintaining cardiovascular health. Certain nutrients and dietary patterns can actively protect blood vessels, improving their elasticity and function.
The Power of Nitric Oxide: Your Arteries’ Best Friend
Dietitian Selahattin Dönmez emphasizes the importance of nitric oxide (NO) in protecting the cardiovascular system. Nitric oxide is a molecule produced naturally by the body that helps blood vessels relax and dilate, improving blood flow and reducing blood pressure. This vasodilation effect is critical for maintaining healthy arterial function. As reported in the American Heart Association journal *Circulation*, impaired nitric oxide production is linked to endothelial dysfunction, a key early step in the growth of atherosclerosis.
The body doesn’t directly absorb nitric oxide; instead, it converts dietary nitrates into nitric oxide. Therefore, consuming nitrate-rich foods is essential for boosting NO levels.
Top Foods to Boost Nitric Oxide Production
Here’s a breakdown of foods rich in nitrates, as highlighted by Dönmez and supported by scientific research:
| Food | Approximate Nitrate Content (mg/100g) | Serving Suggestion |
|---|---|---|
| Beetroot | 100-200 | 1 cup cooked beetroot daily |
| Spinach | 200-300 | 1-2 cups raw spinach in salads |
| Arugula (Rocket) | 250-400 | Add to salads or as a pizza topping |
| Lettuce (Romaine) | 150-250 | Base for salads |
| Celery | 50-100 | snack with hummus or peanut butter |
Source: Data compiled from National Institutes of Health (NIH) studies on nitrate content in vegetables.
Beyond Nitrates: Other Heart-Healthy dietary Components
While nitrates are crucial, a holistic approach to heart health involves incorporating other beneficial nutrients:
- Omega-3 Fatty Acids: Found in fatty fish (salmon, mackerel, sardines), flaxseeds, and walnuts, omega-3s reduce inflammation and improve blood vessel function.
- Antioxidants: Abundant in fruits and vegetables, antioxidants protect against oxidative stress, a major contributor to atherosclerosis.
- Fiber: Soluble fiber, found in oats, beans, and apples, helps lower cholesterol levels.
- Potassium: Found in bananas, sweet potatoes, and spinach, potassium helps regulate blood pressure.