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

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

   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

   www.aol.com/drinking-high-amounts-caffeine-5...

   Chronic, excessive caffeine — above the recommended 400 mg a day — can elevate heart rate, (and) blood pressure, but depending on the form can come with additional drawbacks such as excessive ...

4. 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 ...

5. Caffeinism - Wikipedia

   en.wikipedia.org/wiki/Caffeinism

   Symptoms associated with high doses of caffeine include muscle twitching, rambling flow of thought and speech, tachycardia and cardiac arrhythmia, periods of inexhaustibility, and; psychomotor agitation, [1] anorexia (loss of appetite), seizures, death. The symptoms of caffeine intoxication are comparable to the symptoms of overdoses of other ...

6. Health effects of coffee - Wikipedia

   en.wikipedia.org/wiki/Health_effects_of_coffee

   The health effects of coffee include various possible health benefits and health risks. [1]A 2017 umbrella review of meta-analyses found that drinking coffee is generally safe within usual levels of intake and is more likely to improve health outcomes than to cause harm at doses of 3 or 4 cups of coffee daily.

7. Serotonin syndrome - Wikipedia

   en.wikipedia.org/wiki/Serotonin_syndrome

   Serotonin syndrome (SS) is a group of symptoms that may occur with the use of certain serotonergic medications or drugs. [1] The symptoms can range from mild to severe, and are potentially fatal. [ 4 ] [ 5 ] [ 2 ] Symptoms in mild cases include high blood pressure and a fast heart rate ; usually without a fever . [ 2 ]

8. 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.

9. Caffeine dependence - Wikipedia

   en.wikipedia.org/wiki/Caffeine_dependence

   Caffeine dependence can cause a host of physiological effects if caffeine consumption is not maintained. Withdrawal symptoms may include headaches, fatigue, difficulty concentrating, lack of motivation, mood swings, nausea, insomnia, dizziness, cardiac issues, hypertension, anxiety, backaches, and joint pain; these can range in severity from mild to severe. [18]