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Did
you know?
Reverse osmosis is the finest water filtration method known. This process will
allow the removal of particles as small as ions from a solution. It is used
to purify water and remove salts and other impurities in order to improve the
color, taste or properties of the fluid. R.O. uses a membrane that is semi-permeable,
allowing the fluid that is being purified to pass through it, while rejecting
other ions and contaminants from passing.
This technology uses a process
known as crossflow to allow the r.o. membrane to continually clean itself. This
is the reason of why an r.o. element can last many years before clogging or
need replacement. This
water purification process requires a driving force to push the fluid through
the membrane, and the most common force is household water pressure or pressure
from a booster pump. The higher the pressure, the larger the driving force and
efficiency.
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Water
And Health
12.
Water and Prescription Drugs
When the body is sick, most likely it also means dehydration. While
many illnesses could be prevented by drinking adequate amounts of water,
once ill it is even more crucial to get plenty of fluids. This is why
when doctors prescribe medications, the pharmacist will add a note: Take
with plenty of water.
When ill, a person needs water more so than when totally healthy.
People with a fever, diarrhea or who are vomiting will need greater fluid
intake. Many ailments like this can lead to dehydration. So even when
taking medication to cure or ease an illness, water still needs to be
replenished.
Also, drugs themselves can dehydrate the body. This is because
many of the side effects of drugs can cause symptoms like diarrhea. And,
in the make-up of the drugs themselves, dehydration may just be a usual
symptom. Diuretics, antihistamines, blood pressure medication and steroids
can all cause the body to be depleted of water. So, when prescribed these
drugs, one should intake more water than the usual required amount.
To look a little further into this, blood pressure drugs like pyridostigmine
can be aided by the intake of more water. This is because fluids will
help increase the volume of blood. So, coupled with medical treatment,
water in this case is a great help.
Since older people usually take more medications, they are also
more likely to be in greater need of water. So, senior citizens should
also pay careful attention to their water intake.

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