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Learning
Center Categories:
Water
And Health
Learn
About Water Quality
Water
Can Heal!
Contaminants
Fact Sheets
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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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DO WE RECEIVE OUR MINERALS
FROM DRINKING WATER?
Minerals
are essential for the basic functions of the human body to take place.
They help to control bone growth, regulate fluids, normalize nerve and
muscle functions, keep up metabolism, grow connective tissues, and so
much more.
However,
a big misconception is that that we obtain minerals from our drinking
water. This is actually not true because, in reality, the main source
of minerals is always from our food and diets, not from our drinking water.
Because in order to receive enough minerals for our body, we need to drink
a bathtub amount of water everyday! Not very feasible. We are sure that
your doctor will not prescribe you a "bathtub of water" if you
are deficient in minerals, right?
Therefore
watch out for the water products which claims that they can take out ALL
of the bad contaminants and leave you only the good stuff (healthy minerals)
in the water. There is no real purification method that can be selective
and leave you only the "good" stuff. When filters leave you
the "good" stuff, they actually leave you "most" of
the stuff in the water. "Most of the stuff" meaning besides
calciums and magnesiums, they also leave you pesticites and most chemicals.
In this era of pollution where water contains much more disease-causing
contaminants than beneficial minerals, it makes sense that the water we
drink should be as pure and clean as possible.
So
remember to eat healthy and enjoy a variety of vegetables and grains everyday,
and stay healthy the natural way.
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For your reference, below are the common minerals which can be found in
our natural water sources.
Magnesium
"Hard
water" is indicative of the presence of higher levels of magnesium. In
certain areas, drinking water actually contains 100% or more of the Recommended
Daily Allowance (RDA) for magnesium, which is around 300-400mg daily with
levels varying according to gender and age. The need for magnesium increases
with age as well as level of stress.
Magnesium
controls muscle contraction, protein metabolism, blood coagulation, and
energy production, among other vital tasks. Failure to take in enough
magnesium over time leads to high blood pressure and osteoporosis.
That
said, not only does this mineral aid in body functions, it can also help
prevent disease. Studies show that magnesium in drinking water protects
against the deaths of patients with diabetes mellitus, and prevents the
development of cerebrovascular disease. Magnesium also lowers the risk
of fatality from acute myocardial infarction (heart disease), particularly
in females. In high-risk patients, magnesium is recommended to protect
against gastric cancer.
Calcium
Areas
with hard water are known to provide as much as one-third of the RDA for
calcium per eight glasses of drinking water. Adults should consume 1000-1200
mg of calcium per day. Sure, we think mostly of milk and even orange
juice to obtain this essential mineral, but it can also be found in our
water supply.
The
human body needs calcium to develop strong teeth and bones. With that,
calcium can combat osteoporosis and other bone disorders. It also helps
in regulating nerve transmission, blood coagulation, and muscle contraction.
Calcium
intake through water sources is shown to protect against death from acute
myocardial infarction (heart disease), especially in women. It also protects
against rectal and gastric cancers.
Sodium
Sodium
naturally occurs in water supplies in varying amounts due to underground
salt deposits and sea water. It is also added to water supplies in some
areas to make it "soft" (or through home water softeners), and used for
water purification in the form of sodium hypochlorite.
Necessary
for transporting nutrients throughout the body and balancing fluid levels,
sodium is best known for its negative effects—namely raising blood pressure.
So, those with high blood pressure may want to avoid water with high levels
of sodium. However, in moderate amounts (under 3000 mg daily), sodium
is perfectly safe.
Fluoride
There
has been some controversy about fluoride being added to our water, more
can be read about this debate here.
While
not absolutely necessary, fluoride is proven to protect against cavities
when consumed in moderate amounts (under 4 mg/L). Fluoride is partially
responsible for the rapid decline in tooth decay seen in the United States
since the mid-1980s.
Special
care should be taken when fluoride is ingested by children—levels over
2 mg/L can damage developing adult teeth before they break through the
gums.
Most
water systems add fluoride to their water supplies, but not all; check
with your local provider for additive levels in your area.
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