The Relationship Between Coffee and Heart Attacks
There’s a link between coffee and heart attacks, but scientific studies on the subject differ. For some researchers, its consumption ameliorates cardiovascular function, and for others, it improves it.
Coffee occupies an important place among world drinks. People drink it almost everywhere on the planet and, for some, it’s a habit that goes beyond their morning breakfast. Oftentimes, coffee is about socializing, an excuse to meet and chat.
Thus, its effect on health is of interest to us all. There are so many consumers that should improve their coffee drinking habits when there’s a real risk to their well-being.
In general, coffee has a bad rap due to the link between caffeine and cardiovascular risk. Furthermore, it’s common for patients who’ve had heart attacks to quit drinking coffee on their own, and not to follow medical instructions.
It used to be an established fact that caffeine was the substance to study when it came to coffee consumption and heart attacks. It made them realize that many other drinks also contain it, such as certain energizing ones. However, a Swedish scientific study revealed that coffee is only a problem depending on the way we consume it and not necessarily due to its caffeine.
How we drink coffee influences the risk of heart attacks
A study group at Göteborgs Universitet (University of Gothenburg) researched the differences between the cardiac effects of various forms of coffee preparation. It’s interesting how each modality affects the mortality of the groups they studied.
According to this study, the filter is the main determinant of the relationship between coffee preparation and heart attacks. Filtering the coffee keeps the substances that lead to unwanted effects away from the body.
These substances are capable of increasing LDL cholesterol levels, increasing and altering the heart rate. All three are bad for the heart and arteries. It’s even worse if the individual in question has other health concerns such as obesity or a higher risk pathology such as diabetes.
According to researchers in Sweden, unfiltered coffee contains 30 times more toxic substances than filtered. This difference can be significant in terms of health.
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Studies with opposing results
Contrary to the results of the Swedish researchers, some meta-analyses advocate the use of coffee as a cardiac protector, rather than considering it a risk factor. In fact, it was part of the cardiac health recommendations of the past decade.
A meta-analysis published in the Journal of the American College of Cardiology found no relationship between coffee consumption and heart attacks. On the contrary, the effects that emerged from the review revealed benefits.
The analyzed subjects who drank up to 4 cups of coffee daily had an 18% lower risk of dying earlier. In conclusion, regular and moderate coffee drinkers had higher chances of living a healthier life.
The explanation could be in the antioxidants contained in coffee, the same we ingest along with the caffeine. These substances are important for cellular aging since they block the internal toxins human beings produce by the mere fact of being alive.
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Cortisol problem – coffee consumption and heart attacks
Caffeine increases the production of cortisol (the stress hormone) in the body, as humans release it to increase their defense response and stay alert.
The heart rate increases when there’s excess cortisol. Thus, the blood pressure rises slightly. Neither situation is desirable in a heart patient, nor in someone with high cardiovascular risk.
Regular drinkers get used to these slightly increased cortisol levels. The elevation of blood pressure isn’t significant and doesn’t appear to increase cardiac pumping. Anyway, people who think coffee is bad for their health avoid drinking it for this reason.
It isn’t clear that coffee consumption leads to heart attacks due to cortisol, but research is ongoing. For instance, keeping the levels of this hormone in check is one of the therapeutic hopes against high blood pressure.
Should we consume coffee?
In conclusion, we can drink coffee if we like it. As with everything in life, moderation is key to avoid possible adverse effects.
It’s important that you understand that drinking coffee alone doesn’t lead to heart attacks. Other factors such as diet and activity also play a role in cardiovascular health. It’s the healthy habits that, ultimately, keep us in good overall shape.It might interest you...