Now it’s bad for your heart: Another shot for lovers of coffee

HAVE heart Professor, It’s enough to drive you to drink – now coffee is the big risk to our hearts according to a major university.

Long black, espresso, or latte, whatever your coffee preference, drink too much and you could be in hot water, according to the gurus at the University of South Australia.

In a world first genetic study, researchers from the Australian Centre for Precision Health at the University found that long-term, heavy coffee consumption – six or more cups a day – could increase the amount of lipids, or fats, in your blood.

This would significantly heighten your risk of cardiovascular disease (CVD).

Importantly, this correlation is both positive and dose-dependent, meaning that the more coffee you drink, the greater the risk of CVD.

It is a bitter pill, especially for lovers of coffee, but according to UniSA researcher Professor Elina Hyppönen, it’s one we must swallow if we want to keep our hearts healthy.

“There’s certainly a lot of scientific debate about the pros and cons of coffee, but while it may seem like we’re going over old ground, it’s essential to fully understand how one of the world’s most widely consumed drinks can impact our health,” Professor Hyppönen said.

“In this study we looked at genetic and phenotypic associations between coffee intake and plasma lipid profiles – the cholesterols and fats in your blood – finding causal evidence that habitual coffee consumption contributes to an adverse lipid profile which can increase your risk of heart disease.

“High levels of blood lipids are a known risk factor for heart disease, and interestingly, as coffee beans contain a very potent cholesterol-elevating compound – known as cafestol – it was valuable to examine them together.

“Cafestol is mainly present in unfiltered brews, such as French press, Turkish and Greek coffees, but it’s also in espressos, which is the base for most barista-made coffees, including lattes and cappuccinos.

“There is no, or very little cafestol in filtered and instant coffee, so with respect to effects on lipids, those are good coffee choices.

“The implications of this study are potentially broad-reaching. In my opinion it is especially important for people with high cholesterol or who are worried about getting heart disease to carefully choose what type of coffee they drink.

“Importantly, the coffee-lipid association is dose-dependent – the more you drink unfiltered coffee the more it raises your blood lipids, putting you at greater risk of heart disease.”


Globally, an estimated 3 billion cups of coffee are consumed every day. Cardiovascular diseases are  the number one cause of death globally, taking an estimated 17.9 million lives each year.

While the jury still may be out on the health impacts of coffee, Professor Hyppönen said was it was always wise to choose filtered coffee when possible and be wary of overindulging, especially when it came to a stimulant such as coffee.

“With coffee being close to the heart for many people, it’s always going to be a controversial subject,” Professor Hyppönen said.

“Of course, unless we know otherwise, the well-worn adage usually fares well – everything in moderation – when it comes to health, this is generally good advice.”

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