Daily coffee consumption can reduce the risk of prostate cancer
While increased coffee consumption is generally considered to be harmful to health, in the recent past several studies have emphasized the positive health properties of enjoying coffee. In a comprehensive long-term study with almost 50,000 male study participants, US researchers from the Harvard School of Public Health in Boston came to the conclusion that increased coffee consumption significantly reduces the risk of prostate cancer.
Researchers are increasingly discovering the positive health effects of coffee consumption. In March, Swedish scientists from the Karolinska Institute in Stockholm published a study that concluded that just one cup of coffee a day can significantly reduce the risk of stroke. Now US researchers have discovered another positive feature of coffee enjoyment: One cup of coffee a day can significantly reduce the risk of prostate cancer.
US researchers discover prostate cancer preventive coffee effects As part of their long-term study, US scientists led by Lorelei Mucci from the Harvard School of Public Health in Boston have obtained the medical data from 47,911 men regarding a possible connection between coffee consumption and health impairments analyzed. All study participants were examined every four years from 1986 to 2008 and, among other things, asked about their coffee consumption. In the course of the study, 5,035 participants developed prostate cancer, with metastases developing in 642 cases. The subjects who drank at least six cups of coffee a day were almost 20 percent less likely to develop prostate cancer than non-coffee drinkers, the US researchers report in the current issue of the journal "Journal of the." National Cancer Institute ”.
One cup of coffee every day reduces prostate cancer risk by 30 percent According to US scientists, extreme coffee drinkers even reduced the risk of aggressive prostate cancer with dangerous metastases by up to 60 percent. However, subjects who drank only one to three cups of coffee a day were also 30 percent less likely to develop fatal prostate cancer, the US researchers said. So far, however, the US scientists have not been able to explain why coffee consumption apparently protects against prostate cancer. The only thing that is certain is that caffeine cannot be the reason, explained Lorelei Mucci and colleagues. However, according to the researchers, it was astonishing how clearly the positive effects of coffee enjoyment were also confirmed in the large number of participants in their study.
Effect cause still unclear So far, it is not clear what triggers the effect. The caffeine in coffee cannot be decisive, the researchers report. Because the consumption of decaffeinated coffee led to the same result. Coffee drinkers often have a very unhealthy lifestyle. There is a disproportionately large number of smokers among coffee consumers who are also less active in sporting activities. These are ways of life that blatantly increase the risk of a variety of cancers. The scientists write that these negative factors and other influences were taken into account when expanding the study. Mucci told the news magazine "Spiegel Online" that it is difficult to imagine "that there is something left over that could have triggered this effect". Further studies now need to check the findings identify which inhibit tumor cell growth.
Largest coffee study on prostate cancer risk reduction
“The average coffee intake in 1986 was 1.9 cups a day. Men who drank six or more cups a day had a significantly lower risk of prostate cancer compared to abstainers, ”the authors write in the study report. The study was the largest to examine the context of coffee and prostate cancer risk reduction, Mucci said. While some forms of cancer remain localized, there are more aggressive variants that spread quickly to other parts of the body and quickly lead to death. It has not yet been scientifically clarified which factors influence the growth of cancer tumors, says Kathryn Wilson, co-author of the study. Coffee contains many biologically active compounds, including caffeine and phenolic acids, which act as antioxidants, reduce inflammation and affect glucose metabolism and sex hormones. The very same effects could be involved in the inhibition of malignant cancer tumors. (fp)
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