Drinking coffee can help prolong your life? The research is questioned.

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According to foreign media reports, two studies published in the Yearbook of Internal Medicine recently found that the habit of drinking coffee may help prolong life, but other scholars have questioned this.

According to reports, opposition experts say studies in the United States and Europe have not shown that coffee is the real reason why many coffee drinkers live longer. The two studies are observational, and although they have shown a link between coffee drinkers and their tendency to live longer, there is a lack of causal evidence.

The first study conducted by the International Centre for Research on Cancer (IARC) and Imperial College London (Imperial College London) surveyed more than 500000 people in 10 European countries.

Studies show that people who drink about three cups of coffee a day tend to live longer than those who don't drink coffee. The researchers described the survey as the largest analysis of the effects of drinking coffee among the European population.

"We found that higher coffee intake was associated with a lower risk of death, especially circulatory and digestive diseases," said lead author Marc Gunter of the International Center for Research on Cancer.

The second study included more than 180000 people from all ethnic backgrounds in the United States.

Studies have found that both normal caffeine and low caffeine help prolong life; coffee drinkers have a lower risk of dying from heart disease, cancer, stroke, diabetes and respiratory and kidney diseases.

'We can't say that drinking coffee can help prolong life, but we found a correlation, 'said Veronica Setiawan, an associate professor of preventive medicine at the University of Southern California's Keck School of Medicine (Keck School of Medicine of USC).

However, other experts believe that the findings should be treated with caution.

The researchers said the European study excluded people with cancer, heart disease or diabetes, saying that people over the age of 35 assessed by the study were inherently healthy.

The study surveyed coffee intake only once in the initial study, and the data was not updated during an average follow-up of 16 years.

And the study also found that women drinking a lot of coffee may increase the risk of dying from cancer, but the researchers mentioned it less.