103
votes
Does a small cup of coffee result in a 45% reduced blood flow to the brain?
Yes, caffeine intake can reduce blood flow to the brain, but not likely by 45-52% after a small cup of coffee.
Summary
In studies, they observed a dose-response relationship between caffeine and a ...
- 4,984
23
votes
Does a small cup of coffee result in a 45% reduced blood flow to the brain?
Q: Does a small cup of coffee result in a 45% reduced blood flow to the brain?
tl;dr NO!
this means, yes, sure, while there is a significant decrease in measured cerebral blood flow, this is not ...
- 43.7k
18
votes
Accepted
Can coffee grounds clean pipes when disposed in the sink?
Quite the opposite, actually.
Avoid putting coffee grounds down the garbage disposal. They won't harm the garbage disposal and they'll actually help eliminate odors. However, they can accumulate in ...
- 9,439
14
votes
Accepted
Does one cup of coffee pollute as much as a 10km car drive?
If by "pollution" you mean carbon dioxide release:
The Eco Guide discusses the amount of CO2 generated by coffee from growth through shipping to processing and the machines in the cafe where ...
- 6,615
11
votes
Accepted
Does drinking coffee or tea dehydrate you?
There is no convincing evidence that consumption of caffeine or tea leads to dehydration (fluid loss) based on available research. Studies cited below indicate (a) that caffeine is a not a very ...
- 22.6k
10
votes
Accepted
Are there high levels of dioxin in Vietnamese coffee?
No, there isn't a high level of dioxin in Vietnamese coffee, because dioxin does not accumulate sighificantly in plants. See INTAKE OF DIOXINS AND RELATED COMPOUNDS
FROM FOOD IN THE U.S. POPULATION, ...
- 102k
10
votes
Does coffee cause fat and cellulite gain?
In most studies, caffeine intake was associated with no significant weight change or a slight weight loss.
Caffeine - no weight change
1) Caffeinated Coffee Does Not Acutely Affect Energy Intake, ...
- 4,984
8
votes
Accepted
Does having a spoon in the cup keep your coffee hot for longer?
The spoon's conductivity would only heat the coffee if you were holding the spoon with a super-hot hand. Assuming the spoon (and your hand) are both cooler than the coffee, they will both conduct heat ...
- 161
6
votes
Does the coffee plant use caffeine to kill bugs and surrounding plants?
Caffeine on insects
That "caffeine kills insects" is an old myth:
"I find it considerably interesting and even amusing," said Bussey Professor of Biology Carroll M. Williams. &...
- 43.7k
5
votes
Accepted
Does drinking coffee interfere with magnesium absorption?
The Recommended Dietary Allowance for magnesium for adult males is 400 mg (Office of Dietary Supplements at NIH.gov). One cup of coffee has 10 mg of magnesium (USDA.gov), which does not really make it ...
- 4,984
4
votes
Accepted
Is the Specialty Coffee Association of America standard temperature for serving coffee 71-85°C?
The Wikipedia page seems to be incorrect.
According to the Specialty Coffee Association of America's website, the ideal brewing temperature for "golden cup" standard coffee is 200°F +- 5°F (93°C +- 3°...
- 5,858
2
votes
Accepted
Does burr-ground coffee taste different than blade-ground coffee?
Yes, it would taste different. Comparing "better" or not is irrelevant, since the question asks simply if it is "different." Here is why it's different:
What is the difference ...
- 9,439
1
vote
Can coffee grounds clean pipes when disposed in the sink?
This technique was mentioned in a WCBS-TV report in 2010.
Another great use for coffee grounds is as a drain cleaner. Mixed with
hot water, coffee grounds can unclog a drain and help keep it ...
- 111
1
vote
Does replacing sweet drinks with coffee make you less depressed?
Yes. Per Xuguang Guo et al's 2014 study (Dr Honglei Chen is the part of this research group), "compared to nondrinkers, drinking coffee or tea without any sweetener was associated with a lower risk ...
- 22.6k
1
vote
Is coffee anti-cancerous?
Per meta-analytic studies listed below, there is evidence that coffee drinking is associated with a reduced risk of certain types of cancers
Per Allessio Crippa et.al. in 2014, coffee consumption ...
- 22.6k
1
vote
Is Starbucks (et al) responsible for reduced calcium deficiencies
Q: Is it true that the change in diet to milky coffee has
reduced calcium deficiency in Americans?
There seems to be no official data about how many Americans have changed their diets to milky ...
- 4,984
Only top scored, non community-wiki answers of a minimum length are eligible