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  2. Is coffee good for your heart health? 3 studies offer insights

    www.aol.com/coffee-good-heart-health-3-083000728...

    The researchers compared people who did not consume any caffeine or who drank less than 100 milligrams (mg) per day with people who drank about 200 to 300 mg of caffeine a day, or the equivalent ...

  3. 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.

  4. Calcium supplement - Wikipedia

    en.wikipedia.org/wiki/Calcium_supplement

    Calcium is excreted from the human body primarily through urine and feces. Several factors can influence the rate of urinary calcium loss, including the intake of caffeine, protein, and sodium and low estrogen levels. Caffeine intake has been associated with bone loss, particularly in women aged 66-77 years.

  5. 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 ...

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

    www.aol.com/teens-never-caffeine-according...

    Caffeine can be found in many products, but kids are most likely to encounter caffeine from these sources, according to the guidance: Decaf coffee or tea (2-15 milligrams) Bottled iced tea (20-80 ...

  7. Caffeine - Wikipedia

    en.wikipedia.org/wiki/Caffeine

    When alcohol and caffeine are consumed jointly, the effects of the caffeine are changed, but the alcohol effects remain the same. [157] For example, consuming additional caffeine does not reduce the effect of alcohol. [157] However, the jitteriness and alertness given by caffeine is decreased when additional alcohol is consumed. [157]

  8. 8 Common Cardiovascular Diseases for Men & How to Prevent Them

    www.aol.com/8-common-cardiovascular-diseases-men...

    Cardiovascular disease is a catchall term for any condition that affects the heart or blood vessels. It can have many potential causes, including genetics, lifestyle habits, and underlying health ...

  9. Sarcoplasmic reticulum - Wikipedia

    en.wikipedia.org/wiki/Sarcoplasmic_reticulum

    Also, caffeine (found in coffee) can bind to and stimulate RyR. Caffeine makes the RyR more sensitive to either the action potential (skeletal muscle) or calcium (cardiac or smooth muscle), thereby producing calcium sparks more often (this is partially responsible for caffeine's effect on heart rate). [13]