12 votes
Accepted

how it's better to drink water, fast or slowly?

I don't see a lot of difference between drinking few sips and 1 cup (8 oz, 237 mL) of water at once. If you drink a large amount of water at once, for example, 500 mL (2 cups, 16 oz), all this water ...
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6 votes

Is decaffeinated coffee a diuretic?

While coffee in large amounts can stimulate urine production, it's not enough to produce a dehydration effect, especially in people accustomed to drinking caffeine. This recent study compared 50 male ...
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  • 6,524
6 votes
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Hydrating before a fast day

OK, so this seems to be a 24 hour fast. Salt (sodium) and glycerol, after drinking water, prolong the time in which the water is excreted from the body, but they both work only for few hours. The ...
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  • 15.6k
4 votes
Accepted

Values of Body Hydration Values to calibrate the readings of Galvanic skin response sensor

Skin becomes a better conductor of electricity in response to physiologically arousing stimuli which can be external or internal. Increased sweat increases skin conductivity. This is known as the Skin ...
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  • 5,842
3 votes

Is it necessary to hydrate before doing a double red cell blood donation?

According to the Stanford Blood Center and the American Society for Apharesis, you should increase your intake of fluids, calcium, and iron at least two days before your platelet donation appointment ...
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3 votes

Consequences of habitual overconsumption of water?

Your body should tightly control the water concentration (osmolality) via sensors in the brain (osmoreceptors) which send chemical signals (vasopressin) to the kidneys. These receptors are very ...
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  • 56
3 votes
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Might there be symptom-less cell damage from rapid hydration?

In water intoxication, cells do not burst but swell. This can lead to swelling of the entire organs; the most dangerous is brain swelling, which is the usual cause of death. Transitional cell or ...
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3 votes

Why do I feel dehydrated when I wake up very early?

The feeling of dehydration may be due to dry mouth, for example, due to stress related to getting up early. Feeling unrefreshed due to lack of sleep may also make you feel dehydrated. But this is not ...
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2 votes
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Should I drink coconut water daily? Many sites praise the health effect

The article linked from the question mentions several benefits of coconut water, such as high mineral content, antioxidant activity, preventative effect against diabetes, kidney stones and high ...
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2 votes

What is the "best" or most accurate way to measure bodily hydration?

The claim that "water is not close to an optimal hydration solution because it goes right through you into the urine" is grossly exaggerated. Water is just good for hydration; even if ...
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1 vote

How to Determine How Much Water to Drink

No, because activity as a feature is too highly variant and there are probably a lot of other factors that would go into a formula like this. If you do a bit of research you will find that there are ...
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  • 1,157
1 vote
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Rehydrate & avoiding dehydration without excessive urination?

When hydrating, it is important not only to consume enough fluids, but also to ensure that you are replenishing electrolytes and minerals in your body. This will help you to hydrate yourself more ...
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  • 196
1 vote
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Is it necessary to hydrate before doing a double red cell blood donation?

I agree with the comment by Carey Gregory that the answer was available online had you done more prior research, but ironically this specific question of yours was the first result suggested by Google....
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1 vote

In drinking hot, warm, room temperature, or cold water - is water temperature proven to be connected with any health benefit?

Asking about "any health benefit" is perhaps too broad to receive a complete answer. However, several articles address the issue of water temperature and rehydration. Two studies have shown that ...
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  • 1,598
1 vote

How to deal with overhydration?

Treatment is usually fluid restriction, treating underlying problem and diuretics or other medication for fluid and electrolyte imbalance, so you could do a fluid restriction at home. However, the ...
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  • 2,952

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