How much coffee is too much? New study reveals

Good news for coffee fans

How many afternoons have you sluggishly moseyed over to the office coffee machine and wondered, Is this really my fourth cup of the day?

Another recent study, carried out at the University of South Australia, sought to investigate how much coffee is too much - and found the results to be surprisingly high.

The study authors believe that coffee (in large quantities) and heart problems may be linked because excess caffeine consumption can cause high blood pressure, a risk factor for cardiovascular disease. The World Health Organization calls cardiovascular disease the leading cause of death as well as one of the most preventable causes of death.

They write that this is the first study that outlines the upper limit of coffee consumption in terms of benefit and harm.

If you're someone who can't function in the morning without your daily boost of caffeine and you simply can't help but to reach for an aromatic cup of roasted coffee around 3pm, here's something you might want to know.

The study, based on UK Biobank data of 347,077 participants aged between 37 and 73 years old, was a bid to understand if some of us are more resilient to coffee's effects than others.

The researchers identified increased risks of cardiovascular disease in line with coffee consumption and genetic variations. They also looked at the caffeine-metabolising gene CYP1A2, which enables carriers to process caffeine four times faster than non carriers, to determine whether those who possess the gene could drink more caffeine at a greater frequency without any adverse health impacts.

"An estimated three billion cups of coffee are enjoyed every day around the world", concluded Hypponen.

While coffee can be good for you and even help to get you going in the mornings and keep you going in the afternoons, is there a point where too much coffee can harm your health?

Cardiac or heart failure is a clinical condition in which the heart loses the ability to eject blood to meet the requirements of the tissues of the body. Furthermore, the study also found that lowered mortality in connection with coffee consumption was more prevalent in Asia and Europe than in the US. Mostly, the limit is set at 2-3 gm of salt per day.

Obese patients are encouraged to lose weight to minimize cardiac workload.

In patients with heart failure, a reduction in salt intake brings about a significant improvement. A diet high in potassium and magnesium-rich foods like fresh fruits and vegetables is encouraged and also the use of supplements.

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