from web site
What is caffeine? Caffeine is the stimulant in your coffee, tea, chocolate and soda that reduces tiredness, increases awareness and provides you an increase of energy. It can also cause insomnia, headaches, dehydration and hypertension, if you're not careful. For many, caffeine is a tool to assist them wake up, perk up and focus.
Caffeine is a white, bitter substance that's discovered naturally in over 60 plants, consisting of coffee beans, tea leaves and cacao pods that are used to make chocolate. The U.S. Food and Drug Administration (FDA) considers caffeine to be both a food additive and a drug. The quantity of caffeine in your food and drink varies.
Coffee can have just 2 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 vary from 9 to 110 milligrams. Twelve ounces of soda pop/soft drink normally has 30 to 60 milligrams of caffeine.
What impact does caffeine have on the body? Caffeine passes into your blood stream from your stomach and small intestine. As soon as in your blood stream, caffeine stimulates your central nerve system your nerves, brain and spine to make you feel more awake and alert. Caffeine decreases tiredness and improves focus and concentration.
When you consume or consume caffeine, the dopamine signaling in your brain is improved. Dopamine is a chemical that assists with managing motivation, feelings and motion. You feel more alert and awake when the signaling boosts. Just how much caffeine is excessive? The average American adult takes in 200 mg of caffeine a day.
Consuming up to 400 mg or 4 cups of coffee does not trigger problems for many people. But, caffeine impacts individuals differently, depending upon their size, gender and sensitivity to it. If you're delicate to caffeine, even moderate quantities can cause sleeping disorders (trouble sleeping), rapid heart rate, stress and anxiety and feelings of restlessness.
What are the signs of having excessive caffeine? Symptoms of having excessive caffeine may include: Headache, anxiousness, lightheadedness. Having " Read More Here or feeling unstable. Insomnia or sleep that is "on and off" throughout the night. Racing heart or abnormal heart beat. Increase in high blood pressure. Dehydration. Who should avoid caffeine? It's not safe for everybody to have caffeine in their diet.