Many people drink this daily.
A recent study highlights potential risks associated with high caffeine consumption, suggesting it may contribute to heart damage over time. The research, presented at the American College of Cardiology’s Asia meeting in Delhi, India, found that consuming more than 400 milligrams of caffeine daily could increase the likelihood of developing heart disease. This amount of caffeine is equivalent to about four cups of coffee, ten cans of soda, or two energy drinks.
The study revealed that regular intake of high levels of caffeine significantly raises heart rate and blood pressure. Participants who consumed up to 600 milligrams of caffeine daily exhibited elevated heart rates and blood pressure even after a brief period of rest following a step test. Dr. Nency Kagathara, the study’s lead researcher, emphasized that frequent caffeine consumption could disrupt the autonomic nervous system, potentially leading to hypertension and other cardiovascular problems.
The study involved 92 healthy adults aged 18 to 45, who were surveyed about their caffeine intake and underwent cardiovascular health assessments. Nearly 20% of the participants reported drinking more than 400 milligrams of caffeine each day. The highest consumption rates were observed among women, business professionals, and urban residents.
Dr. Kagathara noted that consistent caffeine intake might disturb the parasympathetic nervous system, contributing to higher blood pressure and heart rates. Elevated blood pressure is linked to a range of health issues, including heart disease, heart failure, chronic kidney disease, and dementia, as it can gradually weaken the heart.
Since the findings were presented at a medical conference, they should be considered preliminary until they are published in a peer-reviewed journal for further validation.
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