The document discusses caffeine in coffee, outlining its effects on the body, sources, and daily consumption levels. It highlights both the benefits and side effects of caffeine, such as improved mental alertness and potential health issues from excessive intake. Additionally, it emphasizes the importance of awareness regarding coffee consumption and suggests alternatives to manage caffeine reliance.

1. Hjh Nur RoudhahtulQiyah Bte Hj Isa (08D0008) Nurul Halifah Bte Husaini (08D0013) Siti Aisah Bte Hj Lamit (08D0047) TOPIC: CAFFEINE IN COFFEE AND ITS EFFECT TO OUR BODY PS 0368 : C&T Science II Semester 1 (Session 2010/2011)

2. CONTENTS What is Caffeine? Where can we find Caffeine in foods and drinks? Amount of Caffeine we consume daily What is Coffee? Healthy amount of Coffee we are advised to consume Benefits & side effects of coffee caffeine Ways to decrease consumption of coffee Case Study Conclusion Reference

3. Is an addictive drug used in soft drinks as a stimulant. Occurs naturally in coffee. Discovered by a German chemist, Friedrich Ferdinand Runge (1819). Absorb quickly into the bloodstream and reaches at peak level in 30 to 60 minutes . Increases mental alertness and provide greater feeling of energy. (J. Anspaugh & Ezell, 1998)

5. Here is a list of foods and drinks that contains caffeine:

6. Is a beverage made by grinding roasted coffee beans and allowing hot water to flow through them resulting into dark, flavourful, and aromatic liquid. Coffee is served internationally. Over one third of the world's population consuming it. It ranks as the most popular processed beverage.

7. Note that some "energy" drinks contain far more caffeine than most soft drinks

9. Relieves migraine & headaches Treating asthma Preventing cavities Increased muscles power Improved performance in sport Boost mind power & mood Boost mind power & mood

10. Small amount of caffeine : more awake heart beats faster blood pressure rises pass more urine stomach ache Large amount of caffeine: anxiety and restlessness Headaches Pain on upper body and joints Insomnia(difficulty getting to sleep) Tiredness feeling sick Muscles twitching increased nervousness & irritation Increased urination death

11. Improves cognitive performance Liver protection Exposure to stroke Eats up calcium in the body Increases cholesterol levels

12. stimulates the central nervous system (feel more alert and energetic) improves motor skills increases concentration levels increases endurance anxiety and nervousness upset stomach difficulty sleeping exposure to obesity at risk of nutritional deficiencies erosion of tooth enamel (cavity) excessive elimination of water (dehydration) Heart problem

13. Prevents constipation Loose bowel movement cleansing of the colon

14. calcium loss miscarriage or fetal death faster heart rates increased breathing rate spend more time awake in the days following birth. upset stomach affect the size of their babies. damage the DNA of babies in the womb (leukaemia) iron deficiency anemia in mothers and infants.

15. In one British case study, a teenager who was hospitalized with muscle weakness, nausea, vomiting, diarrhea, and weight loss was found to suffer from caffeine intoxication caused by drinking 8 liters (about 2 gallons) of cola on a daily basis for the previous two years. She had been consuming over a gram of caffeine per day. Chocolate bars and coffee-flavored yogurt or ice cream are additional sources of measurable amounts of caffeine.

17. Substituting with Green Tea 2. Addressing the Social Experience 3. Use Other Milky Drinks 4. Take Care With Carbs 5.Power nap is more helpful than a cup of coffee

19. Coffee and caffeine are not the only option to free oneself from a distress. There is always an alternative, but the alternative are not always related to drugs. One should be aware of the amount of coffee he/she takes, because it will determine the amount of caffeine coming in to his/her body. The amount of caffeine will then further affect one’s body and healthiness.