Blood Pressure & Heart Disease

Although we think about heart disease as a threat when we get older, it is something we should be preventing far in advance. The first step is understanding what heart disease is;

A group of conditions that affect the heart and blood vessels, most commonly resulting in a heart attack or stroke caused by high blood pressure, inflammation, and plaques… 

But what causes these conditions? Will you feel symptoms?

Let’s focus on essential hypertension, which is high blood pressure that has no clearly identifiable cause, other than:

• genetics
• poor diet
• lack of activity
• increased body weight. 

During the year 2015, the prevalence of hypertension among ages 40–59 was 33.2%; and age 60 and over, 63.1%.

High Blood Pressure (hypertension), also coined “The Silent Killer”; you may not associate any noticeable symptoms with high blood pressure, but the damage and risk should not go unchecked. High blood pressure is exactly how it sounds: increased fluid (blood) pressure on the blood vessels of the arterial walls. Hypertension can result in:

• Thickening and developing plaques within arterial walls
• Increased risk of plaque breaking off the arterial wall
•  Broken-off plaque is pushed through the arteries
• Free-flowing plaque can block blood flow to the brain (stroke) or to the heart (heart attack).

When blood supply is blocked, oxygen is blocked, and without oxygen, those cells quickly begin to die causing severe damage or death.

Here is the good news, essential hypertension can be greatly controlled with nutrition and lifestyle!  

Sodium

• Loves and holds on to water
• Increases liquid volume being pumped through the arteries
• Increases pressure within your arteries… you get the picture!

By decreasing sodium to under 2300 mg per day (equal to 1 teaspoon) you may very likely decrease your blood pressure. If you are thinking – “but I don’t salt my food”, you may still be consuming too much sodium. Sodium is typically high in foods that are packaged, canned, frozen, in addition to convenience foods, sauces, dressings, soups, meats, dairy, and almost always restaurant items.  When you can, check your labels! Any meal that is over 500mg of sodium is considered a high sodium meal.

The best thing you can do to combat too much sodium intake is to eat fresh, whole foods that are unprocessed.

Weight Management.

• Excess weight gain accounts for as much as 65-75% of the risk for hypertension
• Blood pressure rises as body weight increases.

Thankfully the inverse is also true, losing even 10 pounds can lower your blood pressure—and losing weight has the biggest effect on those who are overweight and already have hypertension.

Potassium

• Helps balance the amount of sodium in your cells.
• Lack of potassium from your diet or dehydration can increase sodium build up in your blood
• Reach for bananas, spinach, broccoli, sweet potatoes, mushrooms, and other healthy foods rich in potassium before trying a supplement. 

Stress Management

Stress management is important for heart health for multiple reasons, specifically for high blood pressure due to our body’s stress response.

• Stress increases our heart rate
• Produces surges in stress hormones resulting in increased volume and pressure in the cardiovascular system.
• For someone that has high blood pressure, or at risk, chronic stress can be dangerous and increase risk of hypertension leading to heart attack or stroke.
• After a stressful episode, our bodies and blood pressure should return to normal, but those suffering from hypertension do not recover nearly as quickly, completely, or at all.
• It is no coincidence that strokes and heart attacks increase during the holiday season (hello stress!). 

The good news – lifestyle changes are promising for managing essential hypertension!  If you have questions or are ready to embrace healthy lifestyle choices to reduce the risk of heart disease, reach out to a dietitian for help with meal planning, education, and accountability. You and your heart deserve it! 

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