Researchers have shown that coffee drinking can lower the risk of numerous diseases by as much as 48% after analysing data from over 350,000 people.
The scientific community generally agrees that coffee, when drank in moderation, can have a good effect on one's health. Health officials claim that coffee helps lower the chance of developing conditions including type 2 diabetes and depression. According to a recent study, it may also help prevent cardiovascular illnesses, which kill up to 18 million people annually. The optimal quantity of cups required to achieve this advantage has also been determined by the researchers.
Researchers at Soochow University in China's Suzhou Medical College discovered that a moderate coffee consumption can dramatically lower the risk of cardiovascular disease development after analysing data from 360,000 individuals.
Based on the state of their hearts, participants were split into groups, and the researchers looked at how much tea and coffee they drank. According to the study's findings, a modest consumption of coffee or other caffeine-containing foods is linked to a decreased risk of cardiometabolic illnesses. According to the findings, those who drank three cups of coffee a day were 48% less likely than non-drinkers to suffer from cardiovascular problems. Individuals who took in 200–300 mg of caffeine per day experienced a 40% decrease in risk.
This study was published in The Journal of Clinical Endocrinology and Metabolism.
There have been several studies in the past that suggested coffee might pose health risks. Here are a few significant ones:
"Coronary Heart Disease and Coffee Drinking" (Published in 1973): This early study, led by Dr. Brian MacMahon from Harvard University, was one of the first large-scale investigations into coffee’s potential health risks. It suggested a link between coffee consumption and an increased risk of coronary heart disease. The study followed a cohort of men over several years and found that those who drank more than five cups of coffee a day had a higher incidence of heart attacks and other heart-related issues. However, it did not account for factors like smoking, which later studies revealed as a significant confounder.
"Caffeine and Cardiovascular Disease: A Review" (Published in 2004): This review, authored by Dr. James O'Keefe and Dr. Stephen P. Cordain, raised concerns about the effects of caffeine on blood pressure and heart health. The authors argued that caffeine consumption could temporarily raise blood pressure and possibly lead to arterial stiffening, both of which are risk factors for heart disease. However, the review highlighted that the long-term impact of coffee on cardiovascular health remained unclear, as results were often conflicting.
"Coffee, Caffeine, and the Risk of Hypertension" (Published in 2005): This study, led by Dr. Wolfgang Winkelmayer from Harvard Medical School, was published in The Journal of the American Medical Association (JAMA). It focused on the potential relationship between coffee consumption and the development of hypertension. The research showed that women who consumed large amounts of coffee (more than six cups a day) were at a slightly higher risk of developing high blood pressure, although the risk was small. The study suggested that caffeine might contribute to the development of hypertension.
"Caffeine and Health Risks" (Published in 1999 by the World Health Organization): The WHO report raised concerns about high caffeine intake and its potential links to health problems such as osteoporosis, increased cholesterol levels, and a potential rise in cancer risk. The study pointed out that excessive coffee consumption (more than eight cups a day) could interfere with calcium absorption and contribute to bone density loss.
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