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  2. Drinking too much caffeine could be bad for your heart health ...

    www.aol.com/lifestyle/drinking-too-much-caffeine...

    The study authors say that caffeine’s impact on the autonomic nervous system (which helps control things like your heart rate and blood pressure) could put undue stress on the heart, as well as ...

  3. Heart Disease: Does Too Much Caffeine Cause High Blood ... - AOL

    www.aol.com/lifestyle/heart-disease-does-too...

    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 ...

  4. This Type of Coffee Is the Worst for Heart Health ... - AOL

    www.aol.com/type-coffee-worst-heart-health...

    It can also lead to other heart disease risk factors, like diabetes or high blood pressure,” Dr. Paz says. Dr. Setareh says that the combination of sugar and caffeine in coffee drinks can be ...

  5. Caffeine doesn't give you heart palpitations, study finds - AOL

    www.aol.com/news/2016-01-26-caffeine-doesnt-give...

    And doctors are widely taught that caffeine can cause these heart disturbances. To check, Marcus and colleagues examined 1,388 people, with an average age of 72, taking part in a larger heart study.

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

    www.aol.com/doctors-want-know-coffee-health...

    That was the conclusion of a 2022 study published in the Annals of Internal Medicine, which found that drinking 1.5 to 3.5 cups of coffee a day was associated with a lower risk of mortality ...

  8. Caffeine - Wikipedia

    en.wikipedia.org/wiki/Caffeine

    [28] [29] [2] Tolerance to the autonomic effects of increased blood pressure and heart rate, and increased urine output, develops with chronic use (i.e., these symptoms become less pronounced or do not occur following consistent use). [30] Caffeine is classified by the U.S. Food and Drug Administration (FDA) as generally recognized as safe.

  9. Caffeine-induced anxiety disorder - Wikipedia

    en.wikipedia.org/wiki/Caffeine-induced_anxiety...

    Cardiovascular effects can range from increased heart rate and reactivity to severe cardiac arrhythmia. [10] The cognitive effects of caffeine include increased performance in memory, attention, and text reading. [11] The physical effects of caffeine include lowered sensations of pain, less perceived effort, and increased muscle strength and ...