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Beverages/ARE YOU TIRED

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Question
(This is not a spam question or a homework question)
I was wondering would you please tell me: is it a fact that coffee can keep us awake?

If it is a fact, would you please explain to me in a simple way that I can understand: how can it?
Thanks

Answer
Hi Cameron

Coffee has naturally occurring caffeine in it--it's stimulant that keeps people awake.  Here's a link to the Wikipedia page on caffeine--you can see it's a powerful stimulant.  

It can also be found in black tea (in lower concentrations) as well as Coca Cola and other soft drinks.

Paul Wagner  

Beverages

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Paul Wagner

Expertise

I have spent most of my adult life eating and drinking throughout the world, and can usually remember some of it! With Rick Kushman of Capital Public Radio, I host a radio show and podcast called Bottletalk at rickandpaulwine.com, where I answer questions about food and drink on the air.

Experience

30 years in the business.

Education/Credentials
I have taught at Napa Valley College for the past 20 years.

Past/Present Clients
Diageo Chateau & Estate Wines Company, The Court of Master Sommeliers, Constellation Wines, The Union des Grands Crus de Bordeaux, Vinitaly, Napa County Agricultural Commissioner.

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