Effects Of Caffeine On The Body

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Caffeine is a natural stimulant most commonly found in tea, coffee, and cacao plants. A cup of tea may have about 14 to 60 mg of caffeine in it while coffee has up to 200 mg. 

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Safe limits

According to FDA, most adults can safely consume about 400 milligrams of caffeine a day. 

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Affects sleep

Caffeine may keep you awake even if you don't want it to as it decreases the levels of the hormone melatonin, which the body needs to fall asleep.

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Feeling anxiety

Caffeine can make some people feel jittery or anxious, especially if you take in too much. 

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Nervous system

Caffeine works by stimulating the brain and central nervous system, helping one stay alert and prevent the onset of tiredness. 

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It blocks the effects adenosine, a chemical, which makes one sleepy making you more alert and energetic, which is why many people drink coffee or tea to stay awake.

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Coffee or caffeine can give heartburn as it increases the amount of acid your stomach produces. If you have reflux, caffeine can worsen the symptoms. 

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Caffeine is also a diuretic, as it encourages the body to pass more urine.

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Too much caffeine can harm a developing baby, especially in the early stages of pregnancy.  

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