Intermittent Fasting and Cardiovascular Disease: Understanding the Connection and Potential Risk Reduction

Intermittent Fasting and Cardiovascular Disease: Understanding the Connection and Potential Risk ReductionCardiovascular disease. Sounds daunting, doesn't it? And rightfully so, as it's the leading cause of death globally. Every year, millions of people succumb to heart disease, making it an urgent global health issue.

But here's the good news: prevention is possible. Adopting healthy behaviors can substantially reduce our risk. But, in a world packed with plentiful food and sedentary lifestyles, how do we navigate toward better heart health?

In this article, we're delving into one such strategy: intermittent fasting (IF). Often thought of as a weight loss tool, IF can also have a profound impact on heart health. Let's find out how.

How Intermittent Fasting Impacts Cardiovascular Health

Let's explore how this eating pattern affects factors like blood pressure, cholesterol levels, inflammation, and weight – all integral to heart health.

The Effects of Intermittent Fasting on Blood Pressure

It all ties back to insulin, a hormone your body produces to regulate blood sugar.
Normally, when you eat, your body breaks down the food into glucose (a type of sugar), which is released into your bloodstream. Your body then releases insulin to help move this glucose from your blood into your cells, where it's used for energy. When insulin does its job right, your blood sugar stays balanced, and everything runs smoothly.

However, if you're constantly eating, especially foods high in sugar, your body needs to pump out more and more insulin. Over time, your cells may start to ignore insulin signals, a condition known as insulin resistance. Insulin resistance can lead to higher blood sugar levels, which can make your blood vessels less flexible and more resistant to blood flow, resulting in high blood pressure.

Here's where IF can step in. During the fasting periods, you're not introducing new food into your system, meaning your body doesn't need to produce as much insulin. This rest from constant insulin production can help your cells become more sensitive to insulin, reducing insulin resistance and helping to control your blood sugar levels.

Better blood sugar control can help keep your blood vessels flexible and your blood pressure in a healthy range.

The Effects of Intermittent Fasting on Cholesterol

Cholesterol is like the vehicles on a highway that is your bloodstream. LDL cholesterol, often called “bad” cholesterol, acts like a delivery truck carrying fats to different parts of your body. The problem arises when there are too many LDL “trucks” and they start to spill fats along the “highway” (bloodstream). This can lead to plaque build-ups, creating a blockage in your blood vessels which eventually leads to heart disease.

Now, when you're fasting and your body switches to burning fat for fuel, it's like it calls in a clean-up crew. Your body uses some of the LDL cholesterol to transport the fat it's burning to where it's needed. This effectively reduces the number of LDL “trucks” on the “highway”, decreasing the chance of blockages. At the same time, IF can increase the number of HDL cholesterol “police cars”. HDL, known as “good” cholesterol, patrols the “highway”, picking up any spilled fats and transporting them to the liver for disposal. This clean-up process can help keep your cholesterol levels in a healthier range, protecting your heart.

The Effects of Intermittent Fasting on Inflammation

Chronic inflammation is like a constant alarm in your body. It's a state of high alert that's linked to a host of health problems, including heart disease. IF might help to quiet down this alarm and reduce inflammation.

During fasting periods, your body gets a chance to do some internal housekeeping. It starts a process called autophagy, which is essentially the self-cleaning of your cells. Autophagy involves your cells breaking down and recycling their old, damaged parts.

This is important because these damaged parts can send out distress signals that trigger inflammation. By cleaning out these parts, your cells may be able to reduce these signals and hence, the level of inflammation in your body.

The Effects of Intermittent Fasting on Stress

Think of stress as a fire alarm in your body. When it goes off, your body releases hormones that prepare you to either fight or flee. This is great when you're facing real danger, but chronic stress keeps the alarm ringing unnecessarily, leading to problems like high blood pressure, which can increase your risk of heart disease.

Intermittent fasting (IF) may be a way to put out this fire. How? Well, it's like giving your cells a practice drill to handle stress better. This process is called hormesis. It's a low-level stress that helps your cells become more resilient, making them less likely to be damaged when real stressors come along.

IF can also increase the production of certain proteins that protect against stress, including one called brain-derived neurotrophic factor (BDNF). BDNF is good for brain health and mood, which can help you deal with stress more effectively.
Moreover, IF might help keep your cortisol (the main ‘stress hormone') levels in check. Chronic high cortisol is bad for your heart, so by helping control cortisol, IF could potentially offer further protection against heart disease.

Lifestyle Changes to Make Alongside Intermittent Fasting to Support Heart Health

Intermittent Fasting and Cardiovascular Disease: Understanding the Connection and Potential Risk ReductionTaking on intermittent fasting (IF) is a big leap toward heart health, but it's not the whole journey. Pair IF with these heart-friendly habits for the best results:

  • Exercise Regularly: Think of exercise as a tune-up for your heart. It keeps your heart strong, lowers blood pressure, and helps manage weight. When you're doing IF, try to sync your workouts with your eating window so your body has the fuel it needs.
  • Eat Heart-Happy Foods: When you break your fast, choose foods that love your heart back. Go for fruits, veggies, whole grains, lean proteins, and healthy fats. They pack in fiber, antioxidants, and good fats, all of which are good for your heart.
  • Keep an Eye on Your Heart: Regular check-ins on your heart health can help catch issues early. Apps like Cardi.Health can make this easy by tracking things like heart rate and blood pressure. It's like having a heart-health dashboard right in your pocket.
  • Sleep Well: Your heart needs downtime, and that's what sleep provides. Aim for 7-9 hours of quality sleep each night to give your heart a proper rest.
  • Limit Alcohol and Quit Smoking: Too much alcohol can put pressure on your heart, as can smoking. Cutting back on alcohol and quitting smoking can help keep your heart running smoothly.
  • Chill Out: Long-term stress is no friend to your heart. Finding ways to relax, whether it's yoga, deep breathing, or just being social with your friends and family, can help keep stress in check and your heart healthy.

Conclusion

Intermittent fasting does seem to hold the potential of helping you manage your heart disease. However it is important to keep in mind that we are all built differently, what works for someone else doesn't mean that it will work for you as well.

This is why if you are planning to go on any kind of fast with the goal of managing your cardiovascular disease, it is prudent that you have a chat with your doctor first to do it in a safe way without jeopardizing your health.

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About Lauren

Lauren is the Content & Community Manager for Wellness Force Media. According to Lauren, wellness is about finding gratitude and joy in doing any type of physical or self-care activity that we love. Wellness means providing ourselves with self-love, good nutrition, and the inner peace that our individual minds and bodies need.

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