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The Healy is a pseudoscientific device that claims to function via bioresonance, designed by Marcus Schmieke and Nuno Nina. [1] The device has been promoted via influencer marketing and multi-level marketing, while sellers make extreme healing claims without any proven benefits.
Research indicates that caffeine, ingested either by drinking coffee or by taking a caffeine supplement, can help improve memory, explains Brynna Connor, M.D. “There is also evidence that shows ...
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 ...
“Excessive daily caffeine intake can cause in the short-term increased heart rate, irritability, anxiety, headache, and insomnia. Over the long term, it can cause hypertension and even ...
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.
Cardiovascular effects can range from increased heart rate and reactivity to severe cardiac arrhythmia. [10] The cognitive effects of caffeine include increased performance in memory, attention, and text reading. [11] The physical effects of caffeine include lowered sensations of pain, less perceived effort, and increased muscle strength and ...
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 ...
[28] [29] [2] Tolerance to the autonomic effects of increased blood pressure and heart rate, and increased urine output, develops with chronic use (i.e., these symptoms become less pronounced or do not occur following consistent use). [30] Caffeine is classified by the U.S. Food and Drug Administration (FDA) as generally recognized as safe.