A caffeine-fueled world

People have had many traditions for drinking and preparing...

• coffee and tea

• tea and canned drinks

• energy drinks and coffee

• canned and energy drinks

Why are coffee and tea so popular? Because...

• they have a special ingredient.

• they are caffeine-free.

• they can be found canned.

• they are the first need of the modern world.

Which two are mentioned characteristics of caffeinated drinks?

• They change your mood and increase your productivity.

• They make people less sleepy and more motivated.

• They boost your sleep time while improving your attention.

• They increase alertness while decreasing tiredness.

Why is the use of caffeine considered a problem by some authorities?

• Caffeine increases the risk of brain disease.

• Caffeine makes the pressure of your blood raise.

• Caffeine is labelled with health warnings.

• Caffeine research costs too much money to scientists.

You are not allowed to sell energy drinks in...

• USA and Germany

• France and Germany

• Denmark and France

• USA and Denmark

Two of the mentioned research-based benefits of caffeine are:

• It increases reaction speed and decreases the flu symptoms.

• It increases concentration speed and reduces healing times.

• It decreases reaction speed and it cures asthma.

• It reduces asthma symptoms and helps decrease pain.

What does the Neuroscientist Charles Czeisler explains?

• The reasons why we are a 24-hour society.

• The steps that mankind followed to adapt to new jobs.

• The relationship between indoor jobs and need for caffeine.

• The role caffeine in ancient sleep and work patterns.

Which is Czeisler's warning?

• Caffeine will cause extra alertness.

• Lack of sleep due to caffeine affects body functions.

• With caffeine,humans don't perform physically or emotionally.

• Due to caffeine, we won't be able to sleep for 8 daily hours.

In the last paragraph, Czeisler explains...

• A contradiction about caffeine.

• A funny situation about caffeine.

• A curious fact about caffeine.

• A serious dicovery about caffeine.

What is the passage mostly about?

• Benefits and advantages of caffeine.

• Dangers of caffeine in the modern world.

• Wrong ideas people have about caffeine.

• Contrasting positions about caffeine use.