The effects of caffeine on the body

Indulging in a morning cup of coffee is a beloved ritual for millions of people across the globe. The rich, bold flavor of coffee has created devotees in all corners of the world, all the while laying the foundation for a lucrative market.

In its recent “Global Coffee Market – By Product: Global Industry Perspective, Comprehensive Analysis and Forecast 2020-2026” report, Zion Market Research estimated that the global coffee market is expected to reach $155.64 billion in annual revenue by 2026. Though the flavor of coffee is what compels many people to pour that morning cup o’ Joe, others crave coffee in the mornings because of the jolt it can provide at the dawn of a new day. Caffeine is responsible for that jolt, and devoted coffee drinkers, and individuals who prefer other caffeinated beverages, may have come to rely on the boost caffeine provides to kickstart their day.

Researchers have studied the effects of caffeine on the human body to great extent. Many studies have concluded that modest consumption of caffeine is safe for healthy adults. In fact, the Mayo Clinic notes that up to 400 milligrams of caffeine per day, which is just about the amount of caffeine in four cups of brewed coffee, appears to be safe. But adults may want to learn more about the effects of caffeine on their bodies as they try to determine just how much they should consume each day.

• Caffeine and the heart: According to the Heart Foundation NZ, most studies that examined the potential correlation between heart disease and coffee intake found no association between the two. In fact, the Heart Foundation NZ points out that plant sources of caffeine like coffee provide a host of other compounds and nutrients, including antioxidants, that can positively affect heart health. However, the online medical resource Verywell Mind notes that the stimulant effect of caffeine speeds up the heart rate. Healthy adults who drink coffee or other caffeinated beverages in moderation likely won’t have to worry about their heart rates after consuming caffeine, but people who are prone to anxiety may be vulnerable to panic reactions if they consume caffeine.

• Caffeine and sleep: Caffeine consumed during certain times of day may interfere with a person’s ability to get a good night’s rest. The Mayo Clinic notes that even small amounts of sleep loss can disturb daytime alertness and performance.

• Caffeine and medications: Adults currently taking certain medications or supplements should speak with their physicians about any potential interactions between those substances and caffeine. For example, the Mayo Clinic notes that mixing caffeine with the herbal supplement echinacea can increase the concentration of caffeine in the blood, potentially exacerbating the unpleasant effects of caffeine intake.

Adults who consume caffeine should always do so in moderation and only after giving due consideration to the many ways that caffeine can affect their bodies.

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