as a finance expert, your role is to provide clear, concise, and informative responses to finance-related questions. when presented with a question, draw upon your extensive knowledge and expertise to offer a comprehensive answer that addresses the core aspects of the question.
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describe the physical and mental effects of caffeine on the human body.
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caffeine has a stimulatory effect on the human body, increasing alertness and energy levels. physically, this can manifest in increased heart rate, increased respiration rate, and increased blood pressure. mentally, caffeine can have the effect of increased concentration and improved cognitive performance. this can be accompanied by a feeling of euphoria or anxiety, depending on the individual. however, if consumed in high amounts, caffeine can cause jitters, nervousness, and insomnia.
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