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CNN: How much coffee is too much? Wen: The concern with too much coffee is about consuming too much caffeine, which can cause heart palpitations, anxiety, restlessness and difficulty sleeping.
Along with a temporary pick-me-up, research has continued to show the longer-term health effects of coffee include a decreased risk of cancer, heart failure, Type 2 diabetes and even death.
But according to Yawitz, “having too much can lead to anxiety, insomnia, diarrhea, jitters, a rapid heart rate, and other unpleasant side effects.” And, in very extreme cases, death. Mike Kemp ...
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.
Additionally, drinking too much coffee can also lead to elevated cortisol levels. Le Mire explains that, over time, this "may contribute to increased stress, disrupted sleep, and weight gain in ...
“However, drinking coffee too late in the day—or consuming too much caffeine throughout the day—can interfere with your sleep by delaying sleep onset or reducing overall sleep quality.”
There can definitely be too much of a good thing when it comes to caffeine, experts tell Yahoo Life. “We never see a study that shows that drinking an energy drink helps cardiometabolic health ...
In regions where tea was found to lower risk, different teas had slightly different effects. Three to four cups of black tea a day—such as Earl Grey or Breakfast tea—lowered the risk of stroke ...