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  2. Heart Disease: Does Too Much Caffeine Cause High Blood Pressure?

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    The researchers said that caffeine consumption of 400 mg daily “was shown to significantly impact the autonomic nervous system, raising the heart rate and blood pressure over time,” a news ...

  3. Drinking high amounts of caffeine 5 days a week may ... - AOL

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    High caffeine levels linked to elevated heart rate, blood pressure. Scientists found that chronic intake of 400 mg of caffeine daily showed a significant impact on the autonomic nervous system ...

  4. What Doctors Want You to Know About Coffee’s Health Benefits

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    For example, one study found that moderate coffee consumption can reduce the risk of high blood pressure, high cholesterol, and other heart conditions.” 5. Coffee might lower your risk of ...

  5. Caffeine - Wikipedia

    en.wikipedia.org/wiki/Caffeine

    High caffeine consumption in energy drinks (at least one liter or 320 mg of caffeine) was associated with short-term cardiovascular side effects including hypertension, prolonged QT interval, and heart palpitations. These cardiovascular side effects were not seen with smaller amounts of caffeine consumption in energy drinks (less than 200 mg). [79]

  6. Caffeine dependence - Wikipedia

    en.wikipedia.org/wiki/Caffeine_dependence

    Failure to restrict caffeine intake can lead to side effects such as increase in heart rate and blood pressure, sleep disturbance, mood swings, and acid reflux.; caffeine's lasting effects on children's nervous and cardiovascular systems are currently unknown. Some research has suggested that caffeinated drinks should not be advertised to ...

  7. Coffee and High Blood Pressure: Is It Safe to Drink? - AOL

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    A blood pressure of less than 120/80 mm Hg is considered normal. The bottom number, diastolic blood pressure, measures the force when the heart is at rest. Coffee and High Blood Pressure: Is It ...

  8. Labile hypertension - Wikipedia

    en.wikipedia.org/wiki/Labile_hypertension

    Caffeine: consumption of caffeine may constrict blood vessels that may stimulate and display unexpected spikes in blood pressure. Researchers believe that caffeine could possibly block hormones that normally keep arteries widened. Caffeine may also cause adrenal glands to release adrenaline which causes the blood pressure to dramatically increase.

  9. Coffee could be more than a morning pick-me-up ... - AOL

    www.aol.com/drinking-1-3-cups-coffee-132218461.html

    Three cups of coffee or tea daily reduced risk of new onset cardiometabolic multimorbidity such as coronary heart disease, stroke and type 2 diabetes by 48.1%, according to a new study.