Allergies: Modern life and me
Allergies are on the rise and reaching epidemic proportions, but curiously only in the western world. Is there something about the way we are living that is making us allergic? Professor Graham Rook believes that the changes we have made to our environment are impacting our microbiome - the bacteria that live in and on every one of us - and that this is having a knock-on effect on our immune system.
Structuring an oral presentation: The introduction
This part of the presentation should arouse the interest of the audience. You might want to consider using:
If your presentation is about the benefits of modern transportation, you may wish to begin with a rhetorical question:
|How many people have been caught in slow-moving traffic and been late for something important?|
After you get the audience's attention, you must tell your audience the purpose of your presentation in one or two clear sentences. Finally, you need to explain how the topic will be developed:
This paper will investigate the...
The effects of ... will be shown by a comparison of x and y.
This is the largest section of the presentation, and it must be clearly structured and logically developed. The audience's attention may wander during the presentation. Therefore, it is important in the body to explain links in ideas and to keep reminding them of the direction of the presentation.
The first major point...
Following from this...
The conclusion should round off the topic by:
" In my presentation today, I've explained how modern transportation in cities has enabled us to accomplish more in our day across a wider area. We can now...
Preparing the presentation
Visual aids stimulate interest, illustrate factors which are hard to explain with words alone, and make it easier for the audience to understand your presentation and the points you wish to make.
Preparing visual aids In preparing visual aids, consider the following points:
Never read your presentation. Instead, convert the text of your presentation into key words and notes.
To do this:
Practise so that your presentation is within the time limit. Allocate a percentage of the total time for each section of the presentation. Monitor the time as you progress. If you find you're running out of time, quickly summarise the remaining points. If you must skip over sections because you have really gone over time, eliminate the least important facts and details, concentrating on only the main points.
In your presentation, you need to indicate to your audience the purpose of each part of your presentation, and how they relate to the overall topic.
Tips: Most people feel nervous about public speaking. If you feel really nervous, remember: