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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Why does distilled Water have First Aid instructions in case of contact with eyes or mouth?

On a bottle of distilled water, there is a paragraph called First Aid that reads: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. If swallowed, rinse ...
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Removing pesticide residue from fruits and vegatables

I just came to know from a friend that washing fruits and vegetables with alkaline water is very effective in removing pesticide residues. I looked on internet and found some studies arguing that it's ...
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What should be the ideal total dissolved solids level of drinking water? [closed]

This is one of the most controversial and highly debated topics in India these days, especially since the popularity of reverse osmosis (RO)/UV filters started rising a few years ago. Even if you ...
Prahlad Yeri's user avatar
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Does psyllium husk work differently on human body when consumed with different temperature of water? If yes, what are the reasons behind it?

There are some health benefits always discussed about psyllium husk. Such as described here and here. Now some people on social media spread myths like it works better with yoghurt. It works better ...
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Can oresol electrolyte rehydration relievers relieve a runny nose caused by sinusitis? [closed]

I have had sinusitis since childhood, and it got worse after having covid 19, I used to have frequent runny nose, it made me very uncomfortable, but everything got better when I used oresol (...
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Does the digestive process in humans consume water?

This question arose out of a discussion about fasting during Ramadan. Which, if you are not aware, involves abstaining from eating and drinking between dawn and dusk. Something which can be quite ...
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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 ...
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Water/sodium balance in diabetes insipidus

Practitioners from my country (France) tend to classify disorders of water and sodium balance as either concerning the intracellular compartment (IC), the extracellular compartment (EC) or both. I ...
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How long is the delay when rehydrating orally vs. IV?

The going recommendation for patients who present to the emergency room with dehydration is IV fluids. It seems to me that this is fairly wasteful and needlessly expensive. Is rehydrating with a ...
TheEnvironmentalist's user avatar
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Why is dehumidifier water not fit to drink? [closed]

Looking at the instruction manual for a dehumidifier, I note that it says the condensed water is not fit for drinking and should be disposed of. Okay, but why? This is literally distilled water, ...
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Why should you not wash injection site after a vaccine (layman question)?

Non-medical person here, but my question, I think, is on topic for this site. Every time after I've gotten a vaccine injection I've always been given a variation of the same advice - "Don't wash/wet ...
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What's the lowest height falling from which into clear deep water can theoretically cause any injury on impact?

I'm researching it for a computer game mechanics change (the game is free and open source, I'm not doing it for profit). The question is: at what height it is theoretically possible for an average and ...
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Hydroxyl radicals effects on human body from drinking KDF copper/zinc filtered water

There are many water filters that use KDF in place of, or in conjunction with, granular activated carbon filters to produce drinking or shower water by removing heavy metals and chlorine from it. It ...
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How to Determine How Much Water to Drink [closed]

I am planing to develop a mobile application to monitor the water intake level of a person. I found the following calculator, but I have no idea what is the formula that they have used in the ...
Amila Dulanjana's user avatar
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How quickly would boiling water kill coronavirus?

How quickly would boiling water kill coronavirus? There are numerous articles telling us to disinfect groceries - wash all packages with soap and water and then disinfect with wipes, also wash ...
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Is it healthier to live by the coast or inland?

I've asked this question on life hacks and been told to go ask it on medical or travel. It's nothing to do with travel in my opinion. I have heard/ read so many conflicting statistics about the sea ...
Colin Ellis's user avatar
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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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Fluid balance range for human

I am working on clinical data analysis with patients from icu who are mechanically ventilated and in ICU for 4 or more days. Currently I tried to calculate their fluid balance based on the input and ...
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Why does the brain shrink and increase energy usage after dehydration?

Along with mood and energy deficits a dehydrated brain has to use a lot more energy to accomplish the same tasks, shows a study from King's College London. Quote from Dehydration affects brain ...
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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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Best type of water to drink? [closed]

I have done some reading and it seems to come down to these 2 choices : Spring or Mineral water ( from earth ) Reverse Osmosis with added ozone ( any water processed ) As I understand with Reverse ...
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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 ...
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What is the best pH of drinking water? [closed]

I have seen that soft drinks are harmful to the body due to the very differing level of pH. I have also seen that our aged body become acid through time. And alkaline when young. The Physiological ...
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Is it not healthy way to boil water in plastic electric kettle?

I am planning to buy 1L electric kettle to make green tea as I live in a hostel. I live in India. Most of the products, in my budget, are made out of plastic and many comments under these product's ...
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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, …) ...
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How long would someone be able to live if they suddenly became allergic to water?

Inspired by this tale - https://www.thefreelibrary.com/JUST+ONE+CUP+OF+WATER+COULD+KILL+LITTLE+HEIDI%3B+Girl%27s+deadly+allergy...-a061152595 Let's say someone is so allergic to H2O that a sip of ...
Willy150's user avatar
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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 ...
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Definition of a (food) calorie and burning food calories

From what I've been reading, a (food) calorie is defined to be the energy needed to raise the temperature of 1 kilogram of water through 1 °C, equal to one thousand small calories and often used to ...
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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
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How can I mitigate the risk of toxic compounds leeching from a water bottle?

Wikipedia says that: Research is ongoing as to whether plastic water bottles can leach hazardous chemicals into the water, especially when heated. And I know it's now fashionable for vendors to ...
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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
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1 answer
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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
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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?
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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 ...
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What is the formula for calculating Body Water Percentage?

Given the available inputs of Gender Age Height (cm) Weight (kg) Fat (%) Muscle Mass (%) I know the Watson Formula calculates Total Body Water (in Litres) as TBW(Male) = 2.447 - 0.09156 X age + 0....
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Why do I feel dehydrated when I wake up very early? [closed]

Occasionally I have to get up very early for flights, surveys etc and only get a couple of hours sleep. As soon as I wake up, my throat feels completely dry and I am extremely dehydrated. The only way ...
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3 votes
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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
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1 answer
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How much water weight is it normal to lose while sleeping?

When you sleep, you sweat out and breathe out some water, but how much is normal to lose, assuming you're not actively trying to make yourself sweat?
Evan Hefner's user avatar
4 votes
1 answer
158 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
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1 answer
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Severely dehydrated. Any "quick" way to fix that?

I've been dehydrated (among other things) for the last 3 or so years due to stress and other factors, but I'm really beginning to feel it now. I am trying to drink water more, but that's hard when all ...
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4 votes
1 answer
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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
1 vote
0 answers
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How come when I drink water really fast I get nauseous

How come when I drink water really fast I get nauseous then I burp and I feel better. What causes this?
Sanskros's user avatar
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Can juices fulfill requirement of water ?

As our body needs more water and I drink more juices than water. So, I want to ask that can juices fulfill requirement of water ? ?
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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
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2 answers
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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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Getting thirsty often even consuming water often- why? [closed]

I am getting thirsty often even consuming water often, more than 5 liters per day. Still I feel thirsty when I did not consuming water. Also I feel dry in my head always. I think it was the outcome of ...
Lakshmi Balan'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
0 answers
69 views

Is drinking tap water safe in Île-de-France on a long term?

I work in Île-de-France (a region in France mainland), Orsay to be precise. I would be here atleast for 2 years. Should I be concerned of the long term health issues by drinking tap water on a ...
Sathyam's user avatar
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Perfumes make me feel thirsty [closed]

Smelling perfumes or deodorant make me feel thirsty and I consume more water when I feel this. Does this has any impacts in my health or is it any side effect kind of thing?
Lakshmi Balan's user avatar
1 vote
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What is the average recovery time for cold and catarrh

I've been having cold and catarrh for the past one week. I don't want to disturb my parents about medicines, so I drink lots of water everyday, but doesn't seem to have any improvement. Q1: What is ...
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