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  2. Health effects of tea - Wikipedia

    en.wikipedia.org/wiki/Health_effects_of_tea

    All tea leaves contain fluoride; however, mature leaves contain as much as 10 to 20 times the fluoride levels of young leaves from the same plant. [9] [10]The fluoride content of a tea leaf depends on the leaf picking method used and the fluoride content of the soil from which it has been grown; tea plants absorb this element at a greater rate than other plants.

  3. Is Sildenafil Safe for This Common Male Problem? - AOL

    www.aol.com/sildenafil-safe-common-male-problem...

    For example, problems with both your privates and your heart can be associated with a vascular condition that affects blood flow. PDE5 inhibitors like sildenafil may not be safe for people who ...

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

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

    Researchers say consuming more than 400 milligrams of caffeine per day could raise the risk of cardiovascular disease. Excessive caffeine from coffee, tea, energy drinks, and other beverages may ...

  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).

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

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

    Drinking coffee, tea or chocolate does not appear to cause heart palpitations, heart fluttering and other out-of-sync heartbeat patterns, researchers reported Tuesday.

  7. List of herbs with known adverse effects - Wikipedia

    en.wikipedia.org/wiki/List_of_herbs_with_known...

    Additive effect [3] Ephedra Ephedra: Caffeine, decongestants, stimulants [15] Increases sympathomimetic effect of ephedra [3] Feverfew: featherfew Tanacetum parthenium: Aspirin Additive effect [3] Garlic: Allium sativum: Warfarin Additive effect Ginger: Zingiber officinale: Warfarin Additive effect, causes iris bleeding [3] Ginkgo gingko Ginkgo ...