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While commonly in the form of dietary supplements, nutraceuticals or energy drinks, [2] some nootropic compounds are prescription and non-prescription drugs in various countries. In the United States, nootropics are commonly advertised with unproven claims of effectiveness for improving cognition.
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]
Energy drinks have the effects of caffeine and sugar, but there is little or no evidence that the wide variety of other ingredients have any effect. [3] Most effects of energy drinks on cognitive performance, such as increased attention and reaction speed, are primarily due to the presence of caffeine. [4]
When you drink too much, multiple organs feel the pain. The symptoms of a hangover can be wide-ranging and include dehydration, muscle pain, head-aches, and more, making them tough to treat with a ...
Berberine can upset your gastrointestinal system, causing symptoms like: nausea, diarrhea, constipation, gas and abdominal pain, Simmons says. It’s also possible that taking berberine can ...
High caffeine consumption in energy drinks (at least one liter or 320 mg of caffeine) was associated with short-term cardiovascular side effects including hypertension, prolonged QT interval, and heart palpitations. These cardiovascular side effects were not seen with smaller amounts of caffeine consumption in energy drinks (less than 200 mg). [79]
Symptoms of depression include: feeling amounts of deep sadness or irritability, lacking enough energy to function in routine activities, losing interest in activities one has previously enjoyed, suicidal thoughts, an overwhelming sense of worthlessness, difficulty remembering events or focusing, lack of appetite, and illogical thinking.
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