Questions tagged [water]

A colorless, transparent, odorless, tasteless liquid that forms the seas, lakes, rivers, and rain and is the basis of the fluids of living organisms. It is supplied to houses or commercial establishments through pipes and taps.

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Is drinking water during or after a meal better?

Is it better to drink water during or after a meal? Clearly, there are different opinions about this topic. In this Mayo Clinic article, it is mentioned that drinking water immediately after or ...
AADHealth's user avatar
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26 votes
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Does hot water kill germs better than cold water?

I was recently told that I should use hot water to wash my hands rather than using cold water because the hot water will kill germs better. The person who told me this isn't a very reliable source, so ...
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Why does it hurt to accidentally gulp air while drinking water?

Sometimes when I'm chugging water, I accidentally swallow a big gulp of air. It's extremely painful. As I understand it, water is less compressible than air and people inadvertently swallow air ...
Shanimal's user avatar
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13 votes
3 answers
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How often should you drink water? Not how much

We all know how much water we should be drinking. However, I have a close friend that only drinks 1.5 litres of water once a day. Keep in mind that they do consume other liquids with food. ...
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Is drinking cold water bad for you?

In general, I like to drink water that I consider cool. However my parents keep forcing me to drink warm (and sometimes hot) water as they said it is better for me. Their reasoning was that cold ...
Bradman175's user avatar
12 votes
1 answer
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Why is it a bad idea to re-heat drinking water?

Out of laziness sometimes I re-heat the water in kettle we use to make formula milk for our daughter, but the health visitor said it's a bad practice to re-boil water over and over. Any specific ...
Ulkoma's user avatar
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11 votes
1 answer
662 views

Is "water weight" a real thing?

I'm told there is such a thing as "water weight" which can explain small fluctuations in weight. However, all mentions of "water weight" I've found have been on dieting websites promoting some miracle ...
Dennis's user avatar
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10 votes
2 answers
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Daily how much water intake is needed?

I am 24 year old girl. I have a computer job in ac and totally sitting kind of. No hard working to burn calories. I was advised to take water 3-4 litre water daily by a HERBALIFE trainer. I searched ...
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10 votes
1 answer
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Is it ineffective to drink cold water to cool down when you are warm?

I have heard many times that drinking cold water when you are warm is not an effective way to cool down. The most common supposed reason that I have heard is that the body needs to spend a ...
klutt's user avatar
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9 votes
1 answer
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Which one is more harmful for your kidneys, drinking more or less water?

Which is more harmful for your kidneys? Drinking more than enough water or having less than the minimum amount required?
xyz's user avatar
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8 votes
2 answers
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how it's better to drink water, fast or slowly?

I usually drink water by small slips and I read that it's the best way to do this, for example: First off, sit down to drink (just as you should sit down to eat). Take sips, not full-glass ...
Alexan's user avatar
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8 votes
1 answer
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Water vs. Coffee when hungry at work

On occasion I will not have time to eat breakfast or forget to pack a snack before work. While sitting at my desk, I can hear my stomach rumbling and I have a higher tendency to daydream or lose focus ...
Hayley Guillou's user avatar
8 votes
1 answer
614 views

Is it safe to drink urine when you have nothing else to drink?

What if there was a situation where someone had no water to drink or food to eat. Would it be safe for them to drink their own urine? What are the possible risks of doing this? Could there be any ...
Shashank's user avatar
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7 votes
1 answer
162 views

Water and wrinkled skin. Is being under water for long dangerous?

After spending extended time in a bath, humans develop wrinkled skin. Is wrinkled skin the only effect of the immersion? Could a human spend extended time periods in water without causing some ...
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6 votes
3 answers
986 views

Do most people actually manage to drink 2 litres of water a day? [closed]

So, I try to drink a decent amount of water. But I can't drink anywhere near 2 litres a day (which apparently is the recommended daily intake). I do drink quite a few cups of coffee. And I'm aware ...
White Prime's user avatar
6 votes
1 answer
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Can drinking ultra-pure water be dangerous?

I work in a molecular biology laboratory, where we have a special filtration system for producing ultra-pure water for buffers, reagents, etc. Around the lab, I have heard many times what sounds to me ...
Ian Hamilton's user avatar
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2 answers
440 views

If I mix 3 liters of water with 3 liters of kool-aid and drank it throughout the day, did I get my daily water intake?

I've asked this question during conferences, around the office, etc. and the answer is always debated with split results. 50/50'ish yes and no. History: During a physical, when it was time to cough, ...
iVisionStudios's user avatar
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2 answers
178 views

Are water only fasts healthy? Can they cause headaches or other medical problems?

I have been using the below fasting protocol that I'd like to use for intermittent fasting - Fast duration - Sunday night (10-11pm) to Tuesday morning (4:30am) Consumed during fast - Only water (2-...
Achilles's user avatar
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6 votes
2 answers
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Why drinking unflavored sparkling water has such an aggressive effect on teeth?

I would say it because of the erosion of the enamel by its carbonated acid, but is it really the case?
JinSnow's user avatar
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6 votes
1 answer
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Benzene derivatives in tap water?

What are the health implications of Toluene, Ethylbenzene and Xylene presence in tap water? Consider three cases: Direct consumption (drinking the water) Indirect consumption (cooking with the water)...
David Balažic's user avatar
6 votes
2 answers
101 views

Why could standard demineralized water be harmful?

Aside from the obvious (electrolyte loss), why could standard demineralized water be harmful? If you buy the usual demineralized water at the hardware store (for car batteries, steam irons, …) ...
viuser's user avatar
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5 votes
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What are the health risks of consuming 6-8 liters (1.5-2 gallons) of water daily?

Are there any health risks of consuming large quantities of water at a time or throughout the day?
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Does drinking water more than 10 liters per day has any benefit or side effect?

I knew the fact that drinking water more is good for health. 3 Liters per day is good enough for health. But I am drinking more than 10 liters per day. My question is does drinking water more than 10 ...
Lakshmi Balan's user avatar
5 votes
1 answer
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Hard water and cardiovascular problems

Wikipedia cites one 1970 study by Voors claiming that drinking hard water lessens the odds of dying from atherosclerosis. The stud itself even makes some bolder claims stratified by race, namely that ...
Dolphin 613 Motorboat's user avatar
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Are aluminum kettles dangerous?

Can long-term usage of aluminum kettles cause Altzheimer's or another disease, considering the fact that the water inside is heated to 100 C?
user31264's user avatar
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1 answer
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Drinking water from glass instead of plastic

I recently learnt that it's healthier to store drinking water in glass objects instead of plastic ones. Okay, this would work if I use tap water but what about if I buy water that has already stayed ...
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0 answers
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How does water intake with meals influence digestion? [duplicate]

I am trying to figure out how water intake during meals effects digestion. Particularly, what volumes of water would inhibit digestion versus benefit digestion. Additionally, if water benefits the ...
wayofthefuture's user avatar
4 votes
1 answer
160 views

What is the difference between soda water and water?

Assuming both water and soda water come from the same tap water source, and the soda water does not have any additives or flavoring. (aka not pop) What effect would soda water have on the human body ...
needoriginalname's user avatar
4 votes
1 answer
425 views

How much water is too much?

What causes "Water intoxication"/"Excessive water"/"Overhydration"? I've read in a bunch of articles about people drinking more than a few liters per hour in a short amount of time. I've also read ...
Esqarrouth's user avatar
4 votes
1 answer
80 views

Consequences of habitual overconsumption of water?

I know the consequences of drinking too little water (dehydration then death), and drinking too much water within a period of time (also death), but what are the consequences of consistently drinking ...
James M's user avatar
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4 votes
1 answer
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Supersaturation vs Undersaturation of the Urine | Kidney Stones

A significant factor that determines if a crystal will develop into a kidney stone is the saturation of the urine with stone-forming salts. From my understanding, supersaturation leads to precipitates ...
BlueMagic1923's user avatar
4 votes
2 answers
113 views

Would showering with germicidal water be beneficial or harmful?

Suppose a device was able to make water remove 99.99 % of bacteria on the incident surface (assuming that the water is germicidal by itself, whatever the reason – e.g. by means of an additive which ...
Skippy le Grand Gourou's user avatar
4 votes
1 answer
2k views

Why do people infected with rabies have a fear of water?

Hydrophobia comes to mind when thinking of individuals infected by rabies... But is there a scientific/medical explanation as to why rabies, specifically, causes a fear to water, specifically? Is it ...
Pills N Pillows's user avatar
4 votes
2 answers
38k views

can I mix cool water with hot water

My workplace has very hot water and very cool water which is not drinkable. Can I mix both... is it good for health? Are there any ill effects if you drink a hot and cold water mixture?
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4 votes
1 answer
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Can we take a shower with salty water

I just move to area near to beach. Unfortunately we have a problem to access fresh water. So, I decide to dig a well about 8meters deep, but the water is salty. I then install carbon filter and ...
dsc81's user avatar
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4 votes
0 answers
63 views

Does sleeping produce heat and use up water in the body?

Several times, after an afternoon nap, I noticed that I was severely dehydrated and had a slight fever. Before the nap, I was feeling normal but tired. After the nap, the temperature went away and ...
Yvonne Liew's user avatar
4 votes
0 answers
178 views

How long does someone with acid reflux who's just eaten have to wait before drinking water?

A friend recently told me that GERD patients (acid reflux) should not drink water with meals. I found an article that explains the reasoning. Basically, water dilutes the stomach acid required for ...
MXMLLN's user avatar
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4 votes
0 answers
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I have low blood pressure. How do I know if I have exceeded the oral rehydration salts daily dose?

The day time temperature ranges here from 41 to 43 degree Celsius. I have a white collar job and go to office on scooter with takes 30 minutes on one side. I have low blood pressure. I take two ...
Aquarius_Girl's user avatar
3 votes
1 answer
425 views

When should I drink from the sea?

Just out of curiosity, consider the following situation. I'm going to die out of thirst and there is no source of water, but sea water. Should I drink it? OR it will just make things worse and make ...
AhmedWas's user avatar
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3 votes
1 answer
105 views

Filtered water vs boiled water

I live in Bombay, India. We boil our water here, and have done so for many years. I'm wondering if a serious water purifier e.g. RO + UV would be a better way to go. In this context, better means, ...
Faheem Mitha's user avatar
3 votes
1 answer
184 views

Does drinking water mitigate the health risks from daily alcohol consumption? [duplicate]

Is there any evidence that suggests that the health problems related with the chronic daily over consumption of alcoholic beverages can be mitigated by drinking more water?
eyerah's user avatar
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3 votes
1 answer
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Can acidic water be a pure water substitute

I have never really liked water that much. I always drank water because of it's importance to the human body. However, I mostly see myself drinking two glasses of water a day sometimes one to none. ...
Undisputed007's user avatar
3 votes
0 answers
57 views

How does "water therapy" work to treat muscle tension?

I read on http://www.spine-health.com/glossary/muscle-tension: Muscle tension refers to the condition in which muscles of the body remain semi-contracted for an extended period. Muscle tension is ...
Franck Dernoncourt's user avatar
2 votes
1 answer
99 views

Is it safe to reboil tap water? [duplicate]

A friend of mine made the claim that I should empty my water kettle and not reboil the water that was left over. He said it has negative health effects but could not explain why. Is he right, what ...
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2 votes
1 answer
24k views

Not taking bath or shower when sick

My parents would not let me to take a showers or take a bath because they claimed it would make you even more sick. Is there any evidence that taking a bath or shower when sick has negative effects?
Matas Vaitkevicius's user avatar
2 votes
1 answer
145 views

Daily dose of recommended water

Here (https://www.health.harvard.edu/staying-healthy/how-much-water-should-you-drink) it says to drink four-to-six cup of water. I find it weird that they don't mention how big the cup should be? How ...
daveBeginner's user avatar
2 votes
1 answer
2k views

How much water does a 30 year old male need to drink daily?

I am a 30 year old male. My job requires me to sit at a desk from 9-6. While working, I often forget to drink water. One in a while, on some days, I do a few exercises after work. But most days I don'...
slayernoah's user avatar
2 votes
1 answer
135 views

What is the best way to obtain pure drinking water in the U S?

Tap water is awful in the U S. I am looking for a way to drink pure drinking water. I researched many options carbon filters is a basic option . However they do not remove fluoride distilled water ...
john's user avatar
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2 votes
1 answer
56 views

Limited amount for drinking water?

I got a toothache few days ago and since holidays were here the dentists didn't work. It hurt day and night and the pain was extreme but luckily for me I figured out that cold water helped me. I ...
Spellcaster's user avatar
2 votes
1 answer
96 views

Is it recommended to drink water during meals?

I have heard people say that it's not recommended to drink water in between meals. Ideally, water should be consumed about 1/2 hour before or 1/2 hour after meals. Is this true? Should we consume ...
srini's user avatar
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