How Much Coffee Is Safe To Drink In One Day?

Alicia Farmer
May 15, 2019

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?

"Coffee is the most commonly consumed stimulant in the world - it wakes us up, boosts our energy and helps us focus - but people are always asking 'How much caffeine is too much?'", Prof Hyppönen says.

These conclusions have led the researchers to believe that consuming a large quantity of coffee is linked to heart issues because of high blood pressure, which is a side effect of overdosing on caffeine.

The data showed that compared with those who drank no coffee, those who regularly drank controlled amounts went on to live slightly longer. According to the World Health Organization, cardiovascular disease is the leading cause of death worldwide, yet it's also one of the most preventable.

In the past, coffee consumption has been attributed to slow growth of prostate cancer, stunting growth, overall improved heart health and a reduced risk of developing neurodegenerative brain diseases, such as Alzheimer's or Parkinson's.

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

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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.

Researchers found that people who drank two and a half cups of coffee daily had a 17% lower risk of death from cardiovascular disease. People with this gene could metabolize coffee faster than others. They found also found that despite the ability of the caffeine-metabolizing gene CYP1A2 to process caffeine better and more quickly, it doesn't mean that individuals who carry this gene can consume more coffee without detrimental effects. Their study was titled, "Tea, coffee, caffeine intake and the risk of cardio-metabolic outcomes: findings from a population with low coffee and high tea consumption".

The researchers identified increased risks of cardiovascular disease in line with coffee consumption and genetic variations.

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?

The study also found that the link between coffee and mortality was stronger in Europe and Asia than in the US.

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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