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A Bad Attitude Really Can Increase Your Risk Of Heart Attack
In 2014, researchers at the University of Pittsburgh published their findings in an article titled “An Inflammatory Pathway Links Atherosclerotic Cardiovascular Disease Risk to Neural Activity Evoked by the Cognitive Regulation of Emotion.” In this study, researchers wanted to define the relationship between negative emotional states and preclinical atherosclerosis, or hardening of the arteries. This occurs when cholesterol-filled plaque begins to build up within an artery. When this happens, it obstructs the ability of blood to flow where it needs to and increases the risk of a heart attack or stroke.
Atherosclerosis is linked to elevated levels of inflammatory cytokines in the body. One of the lead researchers, Dr. Peter Gianaros, believed that there was a link between the areas of the brain that regulated inflammation throughout the body, and negative emotions. To test this idea, 157 adult volunteers were asked to regulate their emotional response as best they could while looking at unpleasant and upsetting imagery. During the experiment, the volunteers were hooked up to neural imaging equipment in order to measure where brain activity changed and if it was the same areas which regulate inflammatory responses.
Sure enough, the participants who “showed the most robust brain activity” when attempting to regulate their negative emotional response also showed the highest levels of inflammatory cytokines. What this demonstrates is a clear link between being angry and upset and the levels of inflammatory molecules which contribute to hardening in the arteries. To put it more simply, anger and stress = greater risk of atherosclerosis = greater risk of heart attack, stroke, or death.
Interestingly, the opposite also appears to be true: individuals who generally exhibit a positive outlook and optimistic attitude statistically have a significantly lower risk of the aforementioned cardiovascular diseases. Researchers at the University of Illinois analyzed 5,100 adults between the ages of 45 and 85 to determine if there was a correlation between general emotional outlook and cardiovascular health.
Researchers asked participants about their mental and physical health, as well as questions designed to determine how optimistic their general attitude was. Unsurprisingly, the researchers found that having a positive attitude correlated strongly with a lower risk of heart disease. A 2012 Harvard study yielded similar results.
What are the practical takeaways from all this? The findings of these studies show that your emotions really can affect your health. For this reason, you want to do everything you can to reduce things that stress you out or make you angry or afraid. Meditation, taking up yoga, and getting regular exercise are highly beneficial. Studying philosophies like stoicism can help people regulate their emotions more effectively so that things that used to really get your blood boiling simply don’t affect you as much, or at all.
It is obviously easier said than done to just “not let stuff bother you,” but it really is worth it in the long run to do what you can to reduce negative emotions in your life. The benefits to your heart and overall health more than justify the effort, not to mention the benefits of a happier and more optimistic attitude on life.