It is the most common arrhythmia it happens when many unstable electrical impulses fail and can cause the atria to quiver out of control. This disorganized heart rhythm occurs in the upper chambers of the heart.
Unfortunately, it can also lead to an altered heart rhythm, called atrial fibrillation. The stimulant effects of high caffeine intake can make your heart beat faster. So, you can get the benefits of caffeine without undesirable effects, make an accurate evaluation of your sleep, energy levels, and other factors influenced, and reduce your intake if necessary. Even though reactions differ from one person to another, the results of high intake demonstrate that more is not necessarily better. On the other hand, high dosages can cause side effects that interfere with daily life and even cause serious health problems. However, the bottom line is that light-to-moderate caffeine consumption appears to provide impressive health benefits to many people. Some side effects of excessive caffeine intake can include anxiety, insomnia, digestive issues, muscle breakdown, addiction, high blood pressure, rapid heart rate, fatigue, frequent urination, and urgency. In addition, people not used to caffeine may experience symptoms after consuming what is generally considered a moderate dose. As a result, some people can consume much more caffeine than others without experiencing adverse effects. In addition, several pieces of research show that genes significantly influence tolerance. Nevertheless, high intakes of caffeine can have uncomfortable and dangerous side effects. Studies also show that it is safe for most people when consumed at low to moderate levels. The majority contain caffeine, a substance that can enhance your mood, metabolism, and mental and physical performance. However, current evidence does not support an association between longer-term coffee consumption and increased BP or between habitual coffee consumption and an increased risk of CVD in hypertensive subjects.Tea and coffee are amazingly beneficial beverages. In hypertensive individuals, caffeine intake produces an acute increase in BP for ≥3 h. Last, 7 cohort studies found no evidence of an association between habitual coffee consumption and a higher risk of CVD. In 3 studies of the longer-term effect (2 wk) of coffee, no increase in BP was observed after coffee was compared with a caffeine-free diet or was compared with decaffeinated coffee. The increase in BP was observed in the first hour after caffeine intake and lasted ≥3 h. In 5 trials, the administration of 200-300 mg caffeine produced a mean increase of 8.1 mm Hg (95% CI: 5.7, 10.6 mm Hg) in systolic BP and of 5.7 mm Hg (95% CI: 4.1, 7.4 mm Hg) in diastolic BP. Data were extracted from controlled trials on the effect of caffeine or coffee intake on BP change and from cohort studies on the association between habitual coffee consumption and CVD. The objective was to summarize the evidence on the acute and longer-term effects of caffeine and coffee intake on BP and on the association between habitual coffee consumption and risk of CVD in hypertensive individuals.Ī systematic review and meta-analysis of publications identified in a PubMed and EMBASE search up to 30 April 2011 was undertaken.
The effect of coffee and caffeine on blood pressure (BP) and cardiovascular disease (CVD) in hypertensive persons is uncertain.
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