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On the one hand, caffeine effects appear to be detrimental to short-term memory, working memory included, whereas the effects are somewhat positive for memory over the long term (for example, remembering something better many days later if caffeine was ingested during encoding as well as retrieval, as opposed to no caffeine [7]). Many of the ...
Caffeine dependence can cause a host of physiological effects if caffeine consumption is not maintained. Commonly known caffeine withdrawal symptoms include headaches, fatigue, loss of focus, lack of motivation, mood swings, nausea, insomnia, dizziness, cardiac issues, hypertension, anxiety, and backache and joint pain; these can range in severity from mild to severe. [18]
However, caffeine, particularly when it’s overused, can cause unwanted side effects like “insomnia, digestive problems, increased blood pressure and faster heart rates,” Vuppuluri says.
In the brain, caffeine blocks or impedes the effect of adenosine, a building block of nucleic acid found in all of the cells in the body. Ordinarily, adenosine is a central nervous system ...
A growing chorus of concerned former caffeine “addicts” are trying to wake people up to the substance’s negative effects. A growing chorus of concerned former caffeine “addicts” are ...
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.
Neuroenhancement or cognitive enhancement is the experimental use of pharmacological or non-pharmacological methods intended to improve cognitive and affective abilities in healthy people who do not have a mental illness.
The scans revealed that both groups — those who consumed caffeine and those who drank coffee — had decreased activity afterward in a part of the brain that puts people in a resting state.