Caffeine may be linked to higher heart rate, blood pressure

Investigators have examined the impact of caffeine consumption on cardiovascular health.

In a study, the investigators used the three-minute step test, post-exercise blood pressure and heart rate measurements and sociodemographic data to analyze the cardiovascular outcomes of chronic caffeine consumption in 92 healthy individuals aged 18 to 45 years with normal blood pressure levels at baseline, according to a press release from the American College of Cardiology. The study findings are being presented at the upcoming ACC meeting.

The caffeinated beverages considered in the study included coffee, tea and carbonated drinks like sodas and energy drinks. The participants were then divided into groups based on their caffeine consumption: less than 200 milligrams per day, 200-400 milligrams per day, 401-600 milligrams per day and greater than 600 milligrams per day.

The investigators found that consuming over 400 milligrams of caffeine per day increased the risk of cardiovascular disease compared with those who consumed lower amounts of caffeine daily. Those who consumed over 600 milligrams per day had elevated heart rates and blood pressure following exercise. The participants who were most at risk of chronic caffeine consumption were women, urban residents and business and management professionals.

Read more: American College of Cardiology

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