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Why it has been long assumed that caffeine or coffee is dehydrating? Because caffeine is a mild diuretic - it stimulates water excretion through the kidneys. But the amount of water you consume with caffeinated drinks is usually greater than the amount of water you lose in urine due to caffeine diuretic effect, so there is no net water loss and hence no ...


7

Dehydration usually would result in hypotension (low blood pressure) and reflex tachycardia (rapid pulse) due to decreased circulating blood volume. But depending on several factors, including the sympathetic reflex, transient elevated blood pressure might be seen. However, hypertension is not diagnosed based on a single value, but repeated elevated ...


6

These dark circles can likely be attributed to vascular network prominence caused by hollowing of the contents of the orbital rim, pigmentary changes in the periorbital area caused by extravasated hemoglobin and its breakdown products (bilirubin and biliverdin), or to visibly accumulating fluid in the lower eyelid due to local processes such as atopy or ...


5

According to Healthline the skin sould bounce back within a second or two. The pertinent passage is: When you pinch the skin on your arm, for example, it should spring back into place with [sic] a second or two. The article also mentions that this should be done on your arm or abdomen. MedlinePlus says the same. This is called skin turgor. It is not ...


5

Fasting, at least in Islam, means no water intake during the fast. The Islamic purpose of not allowing even water is to remind one that one should not take for granted the gifts of life. So, the purpose of the injunction is to remind you, and not to imperil your health. In the same way that the pillars of Islam have modifiers ( like not going to Mecca if ...


3

No, nothing will "sober up" a drunk; only time does that. What coffee does is provide caffeine, a stimulant. The stimulant effects will increase alertness, but they will do nothing for perception, coordination, balance or judgement. So, as mentioned in comments, all coffee gives you is an alert drunk. And sure, alcohol plus coffee is two diuretics, so it's ...


2

Excessive urination (more than 3 liters of urine per day) is medically called polyuria. Causes include: Excessive drinking Taking diuretic pills Diabetes mellitus Diabetes insipidus due to various brain or kidney disorders A doctor will want to know: What is an estimated amount of urine per day? Any other symptoms, such as hunger, fatigue, etc.? When did ...


1

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 quickly and sustainable than simply drinking lots of water. Here are my suggestions: Sports drinks like Gatorade contain electrolytes and will hydrate you more ...


1

"water of really any temperature does that if I'm not mistaken" Sorry but you are mistaken. Water temperature is an important factor in dissolving lipids. You can ask anyone who washes dishes regularly whether they prefer hot or cold water to remove fat from pans and dishes. Soap and heat remove fat. Butter is solid when kept in cold places and melts as ...


1

If thirst mitigation is your goal, then you should focus on what food and drink you SHOULDN'T take beforehand. This includes anything salty (chips, soups), diuretics (coffee, alcohol), and sugary foods. Avoid those things beforehand and you should be able to forgo thirst a little bit easier in the future.


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