How much coffee is too much to drink a day?

How much coffee is too much to drink a day?

Caffeine is well-known for its health benefits, but how much coffee would you need to drink to see a person's life expectancy increase?

"Most people would agree that if you drink a lot of coffee, you might feel jittery, irritable or perhaps even nauseous", said co-author Elina Hyppönen, director of the Australian Centre for Precision Health, in a press release.

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.

So no, there's no reason to completely cut out coffee, but it is smart to pay attention to how much you're really drinking.

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.

So as to keep up a strong heart and a sound circulatory strain, people must restrain their coffee less than six glasses per day, analysts said.

It's a question Dr Labos has addressed before, in an op-ed for the Montreal Gazette in 2014, in which he broke down various studies on the risks of caffeine after the FDA issued a warning about caffeine consumption.


Speaking to The Sunday Times, Astrid Nehlig, a research director at France's National Institute of Health, said: "It is hard to calculate, but my feeling is that drinking coffee possibly adds another couple of years to your life".

In a meta-analysis published May 4 in European Journal of Epidemiology, researchers looked at over 3 million people from 40 previous studies and found that those who drank two or more cups of coffee daily had decreased risks of death.

Fortunately for us, numerous studies have revealed that coffee can be good for our health in many ways - at least potentially helping to protect us from multiple sclerosis, Parkinson's disease, type 2 diabetes, cirrhosis of the liver, and Alzheimer's disease, among other afflictions.

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

And they identified which coffee consumption habits increased or lowered the risk of cardiovascular disease.

Their results showed that "Coffee drinking was inversely associated with mortality, including among those drinking 8 or more cups per day and those with genetic polymorphisms".

There are many conflicting health reports out there when it comes to coffee, but according to latest research, a moderate daily dose of caffeine can actually increase your life expectancy.

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