caffeine informative speech central idea

Also, remember that the amount of caffeine per cup can vary greatly depending on the type of beans that are used and the strength of the brew. 10 cups of coffee a day is considered excessive.

They say that having up to 3 eight ounce cups of coffee a day - or 250 mg of caffeine - is considered (quote) 'average or moderate'. When larger amounts of caffeine (over 600 mg per day) are ingested over long periods of time, they can cause sleep problems, depression and digestion issues.Īccording to a Medline article on the National Institutes of Health website, having caffeine in your diet is not of any benefit to your health, but by the same token moderate consumption is not considered harmful. In larger amounts, caffeine can cause you to have headaches, feel restless and nervous, be unable to sleep, and even - in very large quantities - to have hallucinations. When consumed in small quantities - for example, when you have one cup of coffee or one soda - caffeine can increase your heart rate, cause you to urinate more (which can cause dehydration) and prompt your digestive system to produce more acid. The negative effects of caffeine are largely dependent on how much you consume.

Calling this a health benefit may be stretching it, though staying awake while you are driving a car definitely contributes to your well-being!Ĭaffeine also contains antioxidants, which have been shown to have cancer prevention qualities. This is a beneficial effect for people who are driving long distances and for people who are doing tedious work. That's why people drink it, right?Ĭaffeine does help you wake up and feel more alert and it has been shown to increase attention spans. Caffeine, which comes from the leaves, seeds and fruits of about 63 different plants, is well known as a stimulant.

Caffeine informative speech central idea