What does Caffeine do to your body?

Caffeine can do a number of things to your body, such as: 

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- It can make you feel more awake and energized by stimulating your central nervous system

- Your body urinates more, causing you to get rid of extra salt and water

-Your stomach will release more acid, which may result in an upset stomach or heartburn

- May interfere with calcium absorption

- It can increase your blood pressure

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("Caffeine", n.d.)