Questions tagged [health]

For questions about the good and bad effects of coffee on human health.

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28 votes
4 answers
9k views

Is Kopi Luwak safe to drink?

Kopi luwak, i.e. Vietnamese weasel coffee, is made from beans that have been consumed and excreted by civets. It can cost as much as $3000/lb, so few have probably tried it. This process doesn't seem ...
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19 votes
0 answers
2k views

Research funding for health benefits by coffee trade associations

How much funding is provided by the coffee industry for research on the health benefits of coffee? I came across a statistic that surprised me by its meagerness. According to their website, the ...
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18 votes
3 answers
921 views

Does coffee cause dehydration?

Actual scientific information on the effects of food and drink is notoriously hard to sift from all the dieting pseudoscience. I know that caffeine is a diuretic, which means it will cause me to lose ...
  • 7,035
17 votes
2 answers
817 views

Is reheating coffee in the microwave a bad idea?

Sometimes I get distracted, and realise I've got a cold cup of coffee on my desk. Will reheating it in the microwave do bad things to it? I've heard people say it will alter the flavour, and some ...
  • 7,035
15 votes
9 answers
2k views

How can I stay off coffee after I quit?

I have quit drinking coffee many times, and it was never that difficult for me to do, but can never stay quit for more than about 3 or 4 weeks. I typically drink 3, homebrewed cups a day, and only ...
  • 161
14 votes
2 answers
5k views

Why is drinking Espresso in the afternoon fine, while milk coffee is not?

I have often heard and seen, especially in Italy, recommendations to avoid coffee with milk like Latte or Cappuccino in the afternoon, while Espresso is widely consumed during this time of day. What ...
  • 563
13 votes
3 answers
380 views

Is coffee really useful for alcohol hangovers

When people experience a hangover due to too much alcohol intake the hours before, sometimes they are offered a good cup of coffee (at least in my country), not as the only or the main "treatment", ...
  • 1,234
13 votes
4 answers
13k views

Can decaf coffee be addictive?

It is evident that decaffeinated coffee still contains a very low amount of caffeine. What I'm interested in is that if decaf coffee still contains some very low amounts of caffeine, and caffeine is ...
  • 337
13 votes
3 answers
13k views

Is it possible to feel any effects after chewing one coffee bean?

The question title says it all: My colleague wanted to try my coffee, so he grabbed one bean of coffee (roasted) and chewed it up. After several minutes, he claims, that it has positive effects on ...
13 votes
4 answers
1k views

Will I be addicted to caffeine?

If I drink coffee everyday, will I be addicted to it, or is it just a myth? Is there any risk to my own health due to caffeine?
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12 votes
2 answers
1k views

Is coffee a pro-oxidant or an antioxidant?

I've heard that coffee acts as a pro-oxidant which damages cells and tissues causing the long-term effect of shorting life expectancy (Free-radical theory of aging), the opposite of how antioxidants ...
  • 923
10 votes
3 answers
305 views

Coffee and the singing voice

Can anyone tell me what the reputation of coffee is for serious, professional singers? Does it, as it has been suggested to be, dry out the human vocal chords?
10 votes
2 answers
5k views

How to weaken effects of caffeine after consumption

Yesterday I had a way too big, way too strong cup of 100% Robusta. I had never tried pure Robusta before, so I had no idea what I was getting into. I experienced strong caffeine effects 6+ hours after ...
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10 votes
1 answer
543 views

Why does coffee heal headaches in some people but causes it in others?

I know that it could be related to the effects of caffeine with blood pressure, but I don't know if there are any other side effects of caffeine itself or from the other chemical components inside a ...
  • 1,234
10 votes
1 answer
287 views

How to prevent calcium loss when drinking a lot of coffee?

I'm recently drinking a lot of coffee at work. I'm worried about the health issues - lost of calcium from the bones. How can I prevent calcium loss? Drinking coffee with milk is out of option for me -...
10 votes
1 answer
99 views

Of the various methods of decaffeinating coffee, which is the safest?

There are various methods of decaffeinating coffee beans: Swiss Water method1 Co2 Process1 Roselius Proccess2 Direct Method3 Indirect Method4 Triglyceride process5 Of these various methods, are any ...
  • 337
10 votes
1 answer
359 views

Is stale coffee less healthy for you than fresh coffee?

I recently read an article on chemistry of grinding coffee beans and it suggests stale coffee might be less healthy than freshly-roasted coffee, in terms of micronutrient and antioxidant loss over ...
10 votes
2 answers
2k views

How many cups of coffee is it safe to consume per day?

This question is in two parts: How many cups of coffee can one safely consume each day before first experiencing side-effects? and How many cups can one consume before it's considered harmful to one'...
  • 201
9 votes
4 answers
5k views

What are the side effects of drinking too much coffee?

Are there any side effects when you drink too much strong coffee? Is it dangerous? In example, if I drink the world's most expensive Starbucks coffee (costing $55/£33) featuring 60 espresso shots at ...
  • 923
9 votes
2 answers
51k views

Is soap/water enough to get safely clean coffee mold from my mug?

Typical lazy guy problem - I didn't clean my ceramic cup after using it and haven't used the cup in about 3 weeks. It's been sitting on a shelf in my office. I noticed today it had some little mold ...
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9 votes
4 answers
22k views

Is it safe to brew old coffee?

I found a 10 year old package of coffee. Is it safe to brew it? Or should I get a new one?
8 votes
4 answers
6k views

What's the minimum recommended age for drinking a coffee? [closed]

Is there any minimum recommended age for drinking a coffee? In example for ground or instant (in case there is any difference)? I would assume there are no limits for a decaf coffee?
  • 923
8 votes
5 answers
9k views

Are there health risks to eating coffee?

I like to eat coffee beans without grinding or brewing them. I just chew it raw, as it is. Is this activity unhealthy? Edit: I'm talking about the brown, roasted coffee beans.
  • 693
8 votes
2 answers
10k views

Is it safe to give decaf coffee to a child?

I heard from a friend that there's a new trend happening. People are bringing their kids to Starbucks and buying them a so-called "baby-cino", i.e. decaf coffee with lots of cream and sugar. ...
8 votes
3 answers
3k views

Why am I not addicted to coffee?

I have been drinking coffee for the last 5 years at least once a day, often twice and I have no addiction feeling yet? I need to be addicted to coffee and experience the feeling?
  • 191
8 votes
2 answers
4k views

Should I change my coffee drinking habits when using braces?

I'm getting braces tomorrow and this is a life or death situation: can I still have coffee with braces??! I drink it hot and cold and I would also like how it would affect me if I did drink it (hot ...
  • 265
8 votes
3 answers
608 views

What is the limit to the amount of coffee one can consume?

NOTE: I'm not a coffee expert and I rarely drink coffee so layman terms would be greatly appreciated. Is there a "safety limit" to the amount of coffee one can drink? What are the negative ...
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8 votes
1 answer
675 views

How bad is coffee for your teeth?

I occasionally hear people saying that coffee has bad implications for the health of teeth. Are there any significant dental studies proving/disproving this statement?
  • 183
8 votes
1 answer
4k views

How are caffeine pills made?

I tried googling but nothing on the manufacturing, only dosage FAQs etc. The question is: how are caffeine pills made, are they produced using synthesized caffeine, how much of a chemistry is ...
  • 183
8 votes
2 answers
226 views

why does coffee make some people sleepy?

I have tried different types of coffee, all causing sleepiness. Except the opposite affect with iced coffee which helps with wakefulness. What causes for this?
  • 89
8 votes
1 answer
986 views

Anti-Bacteria properties of coffee?

Does coffee have any known anti-bacteria properties? Is it more immune to be consumed by bacteria than other food products? Does it kill bacteria in mouth when drunk by infected people? I'm ...
7 votes
7 answers
13k views

Does sweet coffee exist?

I am looking for a coffee type that is naturally sweet, like sugar snap peas. So there is no need to add sugar, when I drink it.
  • 693
7 votes
4 answers
1k views

Should coffee be regulated?

A couple of questions/answers on this site make it clear that many people feel that coffee is addictive, at least for some fraction of consumers. My question, for those who believe coffee is ...
  • 1,267
7 votes
5 answers
1k views

Coffee on daily basis

I was wondering if coffee has serious health issues because I take coffee on daily basis. Can anyone tell me what are the possible health issues on consuming the coffee on daily basis?
7 votes
4 answers
2k views

How to get rid of coffee addiction?

I drink 5-8-10 cups of coffee a day prepared on automatic coffee machine. My problem is that I don't have a stimulating effect from coffee. So I usually feel if I must drink coffee or I feel tired ...
7 votes
2 answers
198 views

What are the effects of caffein olfaction?

Does smelling caffeine share equivalent effects on our central nervous system to those immediately apparent when ingesting? More precisely, does the aroma of coffee necessitate a beneficial ...
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7 votes
4 answers
475 views

Can drinking coffee at least once a day increase anxiety?

Does coffee increase anxiety? What research has been done on this subject?
  • 87
7 votes
1 answer
787 views

Does caffeinating my hair follicles help prevent hair loss? [closed]

In the UK there is a product being very heavily marketed at the moment: Caffeine Shampoo. From their copy: This Caffeine Shampoo contains caffeine that can help to stimulate hair growth directly at ...
  • 7,035
7 votes
1 answer
656 views

Does caffeine raise cholesterol (good or bad)?

I've heard that coffee can raise your cholesterol. If that's true, is it a bad thing? Is regular or acute exposure to coffee dangerous in this way?
7 votes
1 answer
152 views

Is coffee good to consume before sport?

I recently learned that coffee is a vaso-restrictor, which maks it a natural cure to headache, but how does that affect the body if you do some sport after drinking a few cups of coffee? I mean when ...
  • 248
7 votes
1 answer
6k views

How does drinking coffee after a heavy meal counteract the drowsiness?

General knowledge tells you that eating a heavy meal will make you drowsy since blood is being redirected for use in the digestion. At the same time coffee does make you more alert because of some ...
7 votes
1 answer
191 views

Does coffee really reduce the risk of Alzheimer's?

Many medical websites suggest so. If yes, then how? Alzheimer's is primarily incurable but then it can be delayed, how can coffee play a role? References: Pubmed - Caffeine as a protective factor in ...
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6 votes
8 answers
2k views

Coffee will make you lean?

I'm 25 , Coffee lover, I always start my day with my coffee like many of you. I will have at least 3 cups of coffee a day. I am very lean but not weak. Few people of my circle and some internet ...
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6 votes
5 answers
781 views

Why do I feel lousy, low, out of energy after the high coffee gives?

I started drinking a lot of coffee after coming to college. I became instantly energized and social after grabbing a cup or two. But then at night I became extremely dull, unsocial-able, and quite ...
  • 163
6 votes
2 answers
1k views

Which vitamins & minerals does coffee provide?

I've heard that coffee contains small amounts of several vitamins/minerals and even worse, it can interfere with iron absorption and wipes out B vitamins. Does coffee has any vitamins & minerals ...
  • 923
6 votes
2 answers
267 views

Does coffee cause gastrointestinal problems?

My sister, she got gastritis when she drinks coffee she feels poignant in the area of her stomach. So, I want to know that why do people who have gastrointestinal problems when having coffee got to ...
6 votes
1 answer
3k views

Does adding milk to coffee reduce its antioxidant properties

I heard this a while back, the milk binds with the antioxidant molecules of the coffee and renders them useless. A quick Google seems to suggest that this isn't true but the study which concluded this ...
  • 163
6 votes
1 answer
5k views

How long does it take to reset caffeine tolerance

I've read on different websites, mainly fitness related, about cycling a pre-workout due to a build up of caffeine tolerance. The suggestions generally range in 1-2 weeks, but I think this would be a ...
  • 278
6 votes
2 answers
1k views

How does using coffee filter make the coffee different?

Somewhere I read that coffee contains carcinogens unless it's filtered, and I think I've noticed that such filtered coffee seems to be weaker. I let it stay for about 5-10min, and it still tastes ...
  • 163
6 votes
1 answer
162 views

Coffee and blood pressure

Several times one hears that drinking too much coffee produces an increase in blood pressure, that may be dangerous with people with cardiovascular diseases. Is it caffeine the only chemical to blame ...
  • 1,234