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What is caffeine? Caffeine is the stimulant in your coffee, tea, chocolate and soda that decreases exhaustion, increases awareness and provides you a boost of energy. It can likewise cause sleeping disorders, headaches, dehydration and hypertension, if you're not mindful. For many, caffeine is a tool to help them wake up, perk up and concentrate.

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Caffeine is a white, bitter substance that's found naturally in over 60 plants, including coffee beans, tea leaves and cacao pods that are used to make chocolate. The U.S. Fda (FDA) thinks about caffeine to be both a food additive and a drug. The amount of caffeine in your food and beverage differs.

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Coffee can have as little as two milligrams of caffeine (decaf coffee) per cup, and as much as 200 milligrams per cup. Your typical tea has about 40 milligrams of caffeine, but it can range from nine to 110 milligrams. Twelve ounces of soda pop/soft drink usually has 30 to 60 milligrams of caffeine.

What effect does caffeine have on the body? Caffeine enters your blood stream from your stomach and small intestine. When in your bloodstream, caffeine stimulates your main nerve system your nerves, brain and spine to make you feel more awake and alert. Caffeine reduces tiredness and improves focus and concentration.

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When you drink or eat caffeine, the dopamine signaling in your brain is boosted. Dopamine is a chemical that helps with managing motivation, feelings and movement. You feel more alert and awake when the signaling increases. Just how much caffeine is excessive? The average American adult takes in 200 mg of caffeine a day.

Is Coffee An Addiction? - SiOWfa16: Science in Our World: Certainty and  Controversy

Consuming up to 400 mg or 4 cups of coffee does not trigger issues for the majority of people. However, caffeine affects individuals differently, depending upon their size, gender and level of sensitivity to it. If you're delicate to caffeine, even moderate amounts can cause sleeping disorders (difficulty sleeping), rapid heart rate, stress and anxiety and sensations of restlessness.

What are the symptoms of having too much caffeine? Signs of having too much caffeine may include: Headache, anxiousness, dizziness. Having "the jitters" or feeling unsteady. Insomnia or sleep that is "on and off" throughout the night. Racing heart or irregular heart beat. Boost in blood pressure. Dehydration. Who should prevent caffeine? It's not safe for everyone to have caffeine in their diet plan.