We do not take responsibility for the consequences We do not take responsibility for the consequences. Eat and drink at your own Risk!

Caffeine: beneficial or harmful to health Group 21   Areeba Kirmani 13020496   Azka Javeria Khalid 13020038 Zahra Rashid 13020016 Umair Ijaz Hashmi 13020348

Project Agenda 1. The exact pharmacology of caffeine 2. It is a stimulant so what is a stimulant? 3. How do stimulants affect our nervous systems? 4. How does caffeine affect our nervous systems? 5. What are the pros and cons of caffeine? 6. At what quantities are the effects felt? 7. What foods have caffeine? 8. Do people react differently to caffeine? 9. So what is the conclusion of the project overall is it harmful or beneficial to health?

Primary Research Interviews with Dr. Ahmed Hassan Khan Dr. Abida Jafferi Dr. Aftab Ahmed Dr. Uzma Mazhar Prof. Tariq Butt Surveys

Presentation Agenda Effects on Adenosine. Adrenaline Secretion. Cortisol Secretion. Diseases Conclusion

Foods containing Caffeine

What Do You Feel?

Benefits of Caffeine Improves Cognitive Performance Improves Alertness, Reaction Time and Vigilance Less Drowsiness

Fresh Mind: Neural Activity

Tiredness: Adenosine Adenosine Built up with time.

What Adenosine Does: Binds with Neural Receptors.

What Adenosine Does: Slows down Neural Working.

Caffeine: Caffeine Molecules - very similar to Adenosine. Bind With Receptors. Prevent Adenosine from Binding with Receptor.

What Caffeine Does:

Adrenaline: Effects Caffeine causes the secretion of stress hormones such as Adrenaline. Improves Performance.

Adrenaline A boost of energy followed by depression Improves Athletic Performance Acts as a stimulant. According to Dr. Uzma Mazhar, caffeine triggers the ‘the fight or flight’ instinct of the human body providing that extra energy or the so-called ‘coffee kick’. Benefits Harmful Effects A boost of energy followed by depression High blood pressure

Shorter Concentration Spans Cortisol Anti-inflammatory Weight Gain Steroid Stress Inducer Memory Loss Shorter Concentration Spans

Dopamine Temporary “sense of euphoria” but once it wears of the consumer feels “low”. Physical dependence which can eventually cause permanent addiction

Diseases Prevented by Caffeine Lowers risk of Parkinsons, Hepatic Cancer and Liver Cirhosis

Diseases caused by caffeine Hypertension Diabetes Heart diseases

Caffeinism: Withdrawal Effects

Death!! Lethal dose of Caffeine = 5 grams 40 Cups of Coffee = 131 cans of Pepsi = 63 cans of Red Bull =