A widely popular, often caffeinated, drink brewed from roasted beans of the coffee plant. There are a wide variety of coffees available worldwide.
Questions tagged [coffee]
34 questions
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Does a small cup of coffee result in a 45% reduced blood flow to the brain?
The Humans are Free article The Coffee Deception: 13 Little Known Facts About Coffee makes the claim that caffeine from a cup of coffee reduces blood flow to the brain.
2. MRI images taken before and after 1 cup of coffee showed a decrease in…
user1605665
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Will disposing of coffee grounds in the sink cause drain blockage?
My wife firmly believes coffee grounds must not be disposed of down the sink drain because they will cause a blockage in the waste pipes. She has it from family and from accounts on the world-wide web.
I am suspicious that this is an urban myth.…
MetaEd
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Is drinking reheated coffee dangerous?
Someone once told me that reheating cold coffee releases poisonous chemicals in the coffee which makes it taste bad.
Browsing the internet I can't find any conclusive results. Some say it tastes bad, others that it causes high blood pressure and yet…
Carra
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Does burr-ground coffee taste different than blade-ground coffee?
There are two types of mechanical grinders for coffee: blade and burr. Blade grinders spin at high speed, chopping the beans into grounds, while burr grinders move the beans between burrs, which crush them.
The claim is that burr grinders produce a…
Larry OBrien
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Can coffee grounds clean pipes when disposed in the sink?
I regularly have heard/read the claim that flushing coffee grounds in the sink can 'clean pipes' and/or 'scrape dirt from the pipes' and so on. (Note this is almost the opposite of the claim this question) Is there any truth in this or is it just an…
stijn
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Do plastic single-serve brewed coffee packages leach toxic chemicals?
I have a filter coffee maker with a plastic coffee drip holder inside (e.g. K-cups). This almost
boils the water as it drips through.
There are concerns that these plastic coffee containers may leach BPA and other toxic chemicals into the…
Brenda Tutton
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Can coffee ground be used to reduce lead ions from drinking water?
In the past, I heard that affirmation at the ecology department of my university. I found it strange and did not believed it. So, is it true that coffee ground is and effective method to remove lead ions from drinking water?
Here is a site that says…
Zonata
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Is the Specialty Coffee Association of America standard temperature for serving coffee 71-85°C?
From the Wikipedia page for Liebeck v. McDonald's (the infamous hot coffee case):
Since Liebeck, McDonald's has not reduced the service temperature of its coffee. McDonald's policy today is to serve coffee at 80–90 °C (176–194 °F),[32] relying on…
Jimmy M.
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