Drinking coffee may decrease risk of heart failure, stroke

Alicia Farmer
November 14, 2017

A recent analysis of one of the largest and lengthiest researches of the country revealed that drinking coffee leads to lower risk of coronary heart disease, stroke and heart failure.

The researchers identified that of the above discussed five dietary patterns, the plant-based dietary pattern was found to be greatly linked to a 42% reduced risk of incident heart failure over the four years of the study after being adjusted for race, sex, age of patients, and other risk factors.

So, Coffee lovers, your each cup of guzzled Joe could drive your risk down regarding heart problems.

First author of the study and doctoral student Laura Stevens said: "Machine learning works by finding associations within data, much in the same way that online shopping sites predict products you may like based on your shopping history, and is one type of big data analysis".

The research was presented at the American Heart Association Scientific Sessions, "a premier global exchange of the latest advances in cardiovascular science for researchers and clinicians", according to the American Heart Association. "The challenge here is there are so many potential risk factors, and testing each one using traditional methods would be extremely time consuming, and possibly infeasible".

The researchers then confirmed their findings with more traditional analyses of two additional large study groups: the Cardiovascular Heart Study and the Atherosclerosis Risk in Communities Study.

There were no associations for the other four dietary patterns found.

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But, she says, more research is needed before we can be confident about how coffee affects our heart health. Heart failure is a progressive chronic condition that occurs when the heart muscle does not pump enough blood to meet the body's requirements for oxygen and blood.

A plant-based diet may help to reduce the risk of heart failure, say scientists. For coffee drinkers, every 8-ounce cup per day reduced these risks by 7%, 8% and 5%, respectively, compared to people who didn't drink coffee.

They found the smell of coffee changed proteins in the rats brains and improved their overall mood.

The new study was observational, meaning it can identify an association, but cannot prove cause and effect. Previous research has suggested that coffee's caffeine content, along with its antioxidant and anti-inflammatory properties, may be responsible for its presumed health benefits.

"The risk assessment tools we now use for predicting whether someone might develop heart disease, particularly heart failure or stroke, are very good but they are not 100 per cent accurate".

In the first instance, the researchers employed the random forests algorithm in machine learning to examine data sourced from the Framingham Heart Study, which has been running since 1948, providing crucial information about cardiovascular health. "We don't yet know if it is the coffee intake itself or another behaviour that might go along with it", she says.

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