coffee is probably the most commonly used drug in the United States as well as in the world as a whole. It has a bitter white alkaloid called caffeine. Caffeine is also found in other beverages such as tea, chocolate, cocoa, soda such as in most diet soda.

You will also find it in chocolate candy, chocolate ice cream, chocolate cakes and other chocolate foods. There are even tablets of just caffeine alone that are used to relieve fatigue and tiredness.

Diets of the caffeinated diet drinks contain caffeine. Caffeine is thought to increase heat and energy production from food. Many people will tell you that the amount of energy lost through increased energy production is not adequate to cause a significant weight loss in an obese or overweight person.

Few people know that caffeine is really a drug. If you take small to moderate amounts of caffeine, it may be harmless in the short term but there are long-term effects of caffeine.

Caffeine may cause you to have increased blood pressure. Even moderate intake of caffeine over a long time can increase the potential for heart diseases. There is research evidence, which suggests that if you take moderate amounts of this substance over a lifetime your risks for heart disease may be significantly increased several fold.

Caffeine can make you nervous, anxious, and irritable with a jittery feeling. It can also make you unable to fall a sleep. Many people have realised this from experience after a cup of tea or coffee before bed-time. Many people take caffeinated drinks when they want to work late at night but not when they want to fall a sleep quickly.

Apparently consumption of four to five of beverages containig caffeine in a day can cause an elevation of blood pressure. If you have high blood pressure, your doctor may advise you to avoid caffeine or reduce intake.

The amount of caffeine that may cause observable adverse effects varies from person to person. For some people one mug chocolate interferes with their sleep. Others will need to take three or more mugs of chocolate to experience this effect.Remember that chocolate also has caffeine.

There are many people who due to health concerns who have chosen drinks that have had caffeine removed. The term-“decaffeinated” is regularly used to refer to drinks with caffeine removed.

When you take a cup of coffee it will take 30-60 minutes for the maximum levels to be achieved in the blood. It will stay in the body for several hours as it is broken down rather slowly. The effects of caffeine diminish relatively quickly but small amounts will remain in the body for quite a while unless you take another cup of the same drink.It can cause another caffeine burst.

Some people think that because caffeine increases alertness, a cup of coffee can sober a person who is drunk. Do not be deceived because caffeine will not lower the effects of alcohol but it will keep a drunken person awake.