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At recommended doses, caffeine can cause rest-lessness, irritability, nervousness, shakiness, headache, lightheadedness, sleeplessness, nausea, vomiting, and upset stomach.

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What happens if a heavy caffeine user suddenly stops taking it?

Heavy caffeine use can also lead to dependence. If the person then stops using caffeine abruptly, withdrawal symptoms may occur.


What is caffeine used for?

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Over-use of caffeine can cause what symptoms?

agitation, anxiety, confusion, a sensation of light flashing before the eyes, unusual sensitivity to touch, unusual sensitivity of other senses, ringing in the ears, frequent urination, muscle twitches or tremors, heart arrhythmias,


Which religion does not use alcohol or caffeine?

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What is the function of dichloromethane in caffeine extraction?

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How to measure caffeine in coffee accurately?

To measure caffeine in coffee accurately, you can use a specialized caffeine testing kit or a laboratory test. These methods involve extracting the caffeine from the coffee and measuring its concentration. Another way is to use a spectrophotometer to analyze the absorption of light by caffeine in the coffee sample.