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  2. Teens Should Never Have Caffeine, According to New Guidelines

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    “Too much caffeine can cause sleep issues, high blood pressure, and anxiety. Caffeine withdrawal is also no fun. That can cause headaches.” The biggest concern with caffeine and kids is that ...

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

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    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 ...

  4. 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.

  5. Study Reveals a Certain Type of Tea Can Help Lower Your Blood ...

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    Green tea is a great choice for its vitality benefits and may even aid in blood sugar regulation and metabolic health,” says Davis. It also contains compounds like antioxidant catechins, a class ...

  6. Caffeine - Wikipedia

    en.wikipedia.org/wiki/Caffeine

    [52] [97] Caffeine can have negative effects on anxiety disorders. [98] According to a 2011 literature review, caffeine use may induce anxiety and panic disorders in people with Parkinson's disease. [99] At high doses, typically greater than 300 mg, caffeine can both cause and worsen anxiety. [100]

  7. 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]

  8. 21 foods that lower blood pressure — and which foods to avoid

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    Over time, high blood pressure can cause damage to the arteries that can lead to health conditions including stroke, heart disease, kidney problems and dementia. There are multiple risk factors ...

  9. List of herbs with known adverse effects - Wikipedia

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

    "rare and mild gastrointestinal upset, headaches, diarrhea, gynecomastia, paroxysmal atrial fibrillation, ventricular rupture and death in one patient" [3] Senna: Egyptian senna Senna alexandrina (Cassia senna) "abdominal pain, diarrhea, potentially carcinogenic, with others can potentiate cardiac glycosides and antiarrhythmic agents", [3 ...