New coffee link to heart health

New research from Korea has revealed that drinking a few cups of coffee a day may help people avoid clogged arteries – a known risk factor for heart disease.

The Korean researchers studied more than 25,000 male and female employees who underwent routine health checks at their workplace.  The employees who drank a moderate amount of coffee – three to five cups a day – were less likely to have early signs of heart disease on their medical scans.

There is a lot of confusion when it comes to the effect of coffee on heart health.  Some studies have linked consumption to heart risk factors, such as raised cholesterol or blood pressure, while others suggest the beverage may offer some heart protection.

But there is no conclusive evidence either way, and the latest research from South Korea, which is published in the journal Heart, only adds to the discussion.

The scan the researchers used looks for tiny deposits of calcium in the walls of the coronary arteries to provide an early clue that this disease process may be occurring.

None of the employees included in the Korean study had outward signs of heart disease, but more than one in 10 of them were found to have visible calcium deposits on their scans.

The researchers then compared the scan results with the employees’ self-reported daily coffee consumption, while taking into account other potential heart risk factors such as smoking, exercise and family history of heart problems.

People who drank a few cups of coffee a day were less likely to have calcium deposits in their coronary arteries than people who drank more than this or no coffee at all.

The study authors say more research is needed to confirm and explain the link.

Coffee contains the stimulant caffeine, as well as numerous other compounds, but it’s not clear if these might cause good or harm to the body.

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