(NaturalHealth365)  For many, a daily dose of caffeine is a staple – whether it’s a morning coffee, an afternoon tea, or an energy drink to get through a busy day.  However, recent research presented at ACC Asia 2024 suggests that consuming high amounts of caffeinated beverages could have potential downsides for heart health.

This new study, conducted in Delhi, India, reveals that consistently consuming over 400 mg of caffeine each day might increase one’s risk for cardiovascular issues, even among otherwise healthy adults.

Too much coffee may jeopardize heart health, new study suggests

The researchers looked specifically at the effect of chronic caffeine consumption – defined as drinking caffeinated beverages at least five days a week for over a year – on a group of 92 healthy adults aged 18 to 45.  Participants’ blood pressure and pulse rates were measured before and after a three-minute step test, and results indicated that caffeine might significantly impact cardiovascular health for some.

Of the study participants, nearly 20% consumed over 400 mg of caffeine daily, equating to about four cups of coffee or two energy drinks.  Those who exceeded this amount regularly showed heightened heart rates and blood pressure readings, particularly five minutes after completing the step test.  Those who consumed over 600 mg of caffeine daily experienced the most noticeable effects.

Lead author Dr. Nency Kagathara of Zydus Medical College and Hospital emphasized that regular caffeine use might disrupt the body’s parasympathetic system, which is responsible for maintaining a relaxed state and managing heart rate and blood pressure.  Over time, this disturbance could increase the risk of hypertension and other cardiovascular issues.

How much caffeine is too much?

The findings don’t suggest that caffeine is outright harmful – many studies highlight its potential health benefits.  Instead, the research indicates that high daily caffeine levels (400 mg or more) could stress the cardiovascular system, especially in certain people or conditions.  Factors such as lifestyle, other health habits, and even genetic predispositions can all influence how caffeine affects an individual.

As with many things, moderation is key.  For those who love their coffee or tea, it’s about being mindful of overall intake.  According to the study, drinking multiple high-caffeine beverages daily can increase the likelihood of experiencing issues with heart rate and blood pressure.  In particular, caffeine’s effect on the autonomic nervous system may be more pronounced in people with a high daily intake for extended periods.

A balanced perspective on caffeine

It’s worth noting that caffeine consumption affects people differently.  Substantial evidence links moderate intake to benefits, including improved focus, potential antioxidant effects, and possible protective effects against certain diseases.

Many studies suggest that moderate coffee drinking – often defined as one to three cups per day – may even be associated with a lower risk of some cardiovascular conditions.  This highlights an important takeaway: caffeine’s health impact likely varies with the amount and individual response.

Tips to monitor and manage caffeine intake

If you’re consuming several caffeinated beverages daily, consider making small adjustments to moderate your intake:

1. Monitor your intake:  Keeping tabs on caffeine consumption can help understand your body’s response.
2. Make gradual adjustments:  Swap one caffeinated drink with a decaf alternative daily.
3. Sleep and hydration:  Quality rest and staying hydrated can help maintain energy without excessive reliance on coffee.

Ultimately, this study contributes to the ongoing conversation about caffeine’s impact on health.  While caffeine can have potential benefits when enjoyed in moderation, it’s important to be aware of potential risks tied to high intake.

Sources for this article include:

Eurekalert.org
Techreport.com