2023年8月1日 · Because coffee contains caffeine, a stimulant, people have long wondered whether drinking coffee might "jazz up" the heart, triggering palpitations (the odd sensation of a skipped, missed, or strong heartbeat) or atrial fibrillation (a heart rhythm problem marked by a rapid, irregular heartbeat).

5 天之前 · When caffeine speeds up your heart rate, it increases your risk for developing an abnormal heart rate, known as arrhythmia, which in severe cases can lead to stroke. Additionally, too much caffeine increases nervousness, anxiety, and insomnia—and in rarer cases it can cause hallucinations, confusion, and some memory issues. ...

2025年1月6日 · Chronic consumption of high levels of caffeine a day can lead to an increase in high heart rate and blood pressure that persists after resting from a step test, increasing the risk of cardiovascular disease (CVD) according to a new study presented at ACC Asia 2024.

2023年12月14日 · Drinking caffeine promotes the release of noradrenaline and norepinephrine which can increase heart rate and blood pressure in some individuals. For most people this is well tolerated, but for others it may lead to palpitations or extra beats from the heart.

2023年9月12日 · Drinking coffee in moderation appears to be safe for the heart. The Food and Drug Administration suggests that healthy adults can drink 4 to 5 cups of coffee without harm. Some people may be more sensitive to the effects of caffeine, depending on certain health conditions and medications.

While there is often concern about the links between caffeine and heart health, a moderate amount of tea or coffee (four or five cups a day) should be fine for most people. Research shows that this level of caffeine intake shouldn’t be detrimental to your heart health, affect your cholesterol levels or heart rhythm .

2024年8月20日 · Scientists found that chronic intake of 400 mg of caffeine daily showed a significant impact on the autonomic nervous system, leading to increased heart rate and blood pressure over time.

Epidemiological evidence and mechanistic insights are provided for both conditions, and caffeine consumption’s incidence, triggers, and impact on premature ventricular contractions are explained.

Regular and moderate coffee consumption seems to reduce the risk of cardiovascular- and all-cause mortality [6, 7]. The prevalence of cardiac arrhythmias, especially atrial fibrillation (AF), is high worldwide and continues to increase.

2022年5月17日 · Moderate coffee consumption (2–5 cups per day) has been consistently associated with a lower risk of cardiovascular disease in epidemiological studies. For most individuals, a caffeine intake of...