Caffeine.....Harmful? Hyper? Anything?..... Part 2

Site #1: http://www.webmd.com/balance/caffeine-myths-and-facts
Many people claim about different things about caffeine, both good and bad. We never know are they trying to trick us to buy their products or it is just the truth, we only know that we must be concerned about scientific studies in order to get the correct information about caffeine. First, caffeine sure will effect your nervous system and make you feel hyper, but it is unlike other drugs that will cause you to be addictive and lead you to OCD of getting caffeine. It is better to cut off your caffeine intake slowly, because it will cause you to have headache, tiredness, worries, easily anger, depression, and difficult to concentrate. Second, your body can easily absorb caffeine. About half of caffeine consumed will absorbed in about five to seven hours;about eight to ten hours, your body will absorbed 75% of caffeine consumed. Base on this fact, we know that as long as we do not intake caffeine about six hours before sleep, then we will probably not have any problem to fall asleep during night time. Third, here are some relationships between intake caffeine and diseases. People claim that intake caffeine will increase the risk of osteoporosis. It could be a true statement when you do not have enough calcium intake to cancel the amount of caffeine you intake, because caffeine causes you to want to urine easily, which losses your calcium and magnesium in your body easily. However, you could intake more calcium to cancel out the amour of caffeine you intake, such as putting milk to your coffee. As long as you intake enough calcium, caffeine will not have big dramatic effect to your bones. Caffeine will cause your heart rate and blood pressure to increase a little bit, however, scientific tests had not show any link between caffeine intake and heart diseases. It is still better if people that have high blood pressure to ask a doctor about the limit of caffeine intake they should have, because caffeine still has a slightly effect to blood pressure. Scientific tests had not shown any relationship between caffeine and cancer, instead, they even think that caffeine could even cure some cancer, because it has anti-inflammatory to improve our body's immune function. Fourth, people claim that caffeine effect pregnancy. Research had not found any direct relationships, however, doctors still suggest a pregnant woman should have no more than 200mg of caffeine intake per day. Fifth, caffeine has nothing to do with dehydration, however, because of caffeine, you are most likely needing to go the bathroom more often. Sixth, people claim that caffeine is harmful to kids, however, 300mg of caffeine intake for kids are not harmful as shown in research. It is not healthy for children, because the sources of kids intake caffeine are usually over-sweeten soft drinks, and this sugar may cause obesity because it is over-amount of calories for kids everyday. Seventh, caffeine has some benefit when it comes to curing or avoiding sickness, because it is an anti-inflammatory function to help people to improve their immune system. It can also cure some allergy, because it decrease your ability to concentrate.

Site #2: http://www.everydiet.org/994/coffee-caffeine-and-its-effects-in-the-human-body
Caffeine started to have effects on your body as soon as you intake it. After 15 mintues, your body will started to feel the effects, such as hands are getting cold, muscles are tighten, feeling excitement, and Increasing heart beat. It is a normal reaction after caffeine intake, because it has effects in your cardiac system, respiratory system, and your muscle tissues. Caffeine will not be stored in your body,and it will be let out by urine, which half of the caffeine intake will be let out around six hours after the intake. Caffeine is not a nutrition that is in the list of things in our physiological needs. It is not a good idea to over use caffeine, because it causes you to increase your concentration, which could effect your ability to fall asleep during night. It is better to keep your caffeine intake range of about less than 3 cups of coffee per day.

Site #3: http://4david.home.xs4all.nl/caffeine.html
Caffeine was origionally found in Arabia. A cup of coffee contains more caffeine than a cup of tea. After five minutes of consumed of caffeine, the caffeine started to spread through all the tissues that are in your body. Then, your highest blodd level is reached around 30 mintues after consuming caffeine. Then, in about 4 hours, half of the caffeine intake will be let out by urine, however, less than 3% of caffeine will still be in your urine. Even just one cup of coffee will have a dramatic reaction in your body, such as increase of breathe and urine rate, and blood pressure. The caffeine will affect your brain and behavior depending and vary from person's personality and surrounding. Caffeine will also cause you to not easily to fall asleep deeply, even if you can fall asleep, you will not able to get a good rest in your sleep. People who intake caffeine over 650mg per day may have problem to fall asleep,and easily anger and worried. Caffeine could possibly help our body to reproduce some cells, however, no one has evident that shows it has something to do with cancer. Caffeine are use in medicine such as pain killer and reduce headaches.