This article is part of our 4-part Heart Health series on heart health and antioxidant support.
A lot goes into maintaining your cardiovascular health, but understanding the factors that affect it will make it feel a lot more manageable. A good place to start is understanding oxidative stress. When left unchecked, it can damage blood vessels, increase inflammation and cause stiffening of the arteries. However, with a clear plan and consistent effort, you can manage the effects of oxidative stress. Before we give you a step-by-step plan, let’s look at what oxidative stress is and how it can affect your heart health.
What is oxidative stress?
Oxidative stress is an imbalance that occurs when reactive molecules (or free radicals) build up in the body, but there aren’t enough antioxidants to neutralize them. A small amount of oxidation is normal, but it becomes a problem when your body is chronically imbalanced.
How oxidative stress impacts your arteries
Within the inner lining of your arteries, there’s a thin layer of cells called the endothelium. These cells act like a control center for your arteries, allowing them to expand and relax to keep your blood flowing smoothly.
Over time, oxidative stress can damage these cells and cause what’s known as endothelial dysfunction. This causes the arteries to lose their natural flexibility, and as a result, arteries begin to gradually stiffen. This is called “arterial stiffness”, and is one of the earliest steps in arterial aging.
From oxidative stress to cardiovascular disease
The chain reaction
When oxidative stress becomes chronic or excessive, it begins to irritate your blood vessels. This sends signals to the body that encourage inflammation, and over time, this inflammation affects the endothelium and leads to stiffening of the arteries. This arterial stiffness directly contributes to hypertension and other cardiovascular diseases.
Arterial aging often goes unnoticed
Despite being one of the earliest signs of oxidative stress, arterial stiffness isn’t usually something you can feel. It’s not an overnight change—it’s a gradual process that’s shaped by your daily habits. That’s why it’s important to get ahead of it before symptoms start to appear. Small changes to your routine can make a meaningful difference over time.
How to counteract everyday triggers
Processed foods, poor sleep quality, chronic stress and even pollution in the air we breathe can trigger an increase in oxidative stress. Here are a few quick tips that can help you mitigate their effects.
- High processed food intake: Add an antioxidant “anchor” snack every day. Craving sweet snacks? Reach for berries instead. Want a crunchy snack? Have some nuts or seeds.
- Poor sleep quality: Resetting your natural sleep cycle can help improve your sleep quality. Before bed, try to reduce your screen time to reduce the effects of blue light. In the morning, get some natural light by opening your curtains or going for a short walk.
- Chronic stress: Stress is normal, and in most cases, unavoidable. Incorporating mindful activities like yoga, deep breathing or meditation can have a positive impact on your stress levels.
- Smoke & pollution exposure: Check your daily air quality forecasts (AQI) and stay indoors during high-pollution periods. You can also use air purifiers with HEPA filters to improve indoor air quality.
- Overtraining and under-recovery: Training too hard without giving your body time to recover can increase inflammation and oxidative stress. Alternate intense workouts with lighter exercise days and prioritize rest periods.
Start making a difference today.
The key to protecting your cardiovascular system is consistency. Small choices add up to more than the occasional big effort. Here are three changes you can make today that will help you manage the effects of oxidative stress.
1. Eat your antioxidants
When deciding what to eat, follow this rule: pair protein with 2 different colours of vegetables to increase your antioxidant intake. Eating a variety of colourful plant-based foods provides the body with a range of antioxidants and other nutrients.
2. Move daily
Exercise can help reduce chronic oxidative stress by triggering the body to strengthen its antioxidant defence systems. Make sure to get at least 10-20 minutes of light exercise per day. This can be as simple as going for a quick walk in the morning or after a meal.
3. Sleep + stress balance
Sleep and stress tend to affect one another, so these go hand in hand. For stress, add a daily 2-minute pause when you can simply focus on your breathing or do some quiet reflection. For sleep, aim to keep a consistent bedtime each night—even on weekends.
Support for a healthy heart
These small daily habits can have a big impact on your long-term cardiovascular health. For added antioxidant support, CanPrev offers a number of heart-healthy antioxidant formulas which can help you manage oxidative stress.
In the next article, we’ll explore how antioxidants work to reduce oxidative stress and what your body needs to keep its antioxidant defence systems running smoothly.
Disclaimer: The material contained in this blog is educational and should not be treated as advice. You must not rely on this information as an alternative to medical advice from your naturopathic practitioner or other health care provider. Do not delay seeking medical advice because of information contained in this guide. Always consult your healthcare practitioner for personalized guidance and before taking any supplements.
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Next in the series: How Antioxidants Help Intercept the Damage
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