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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
Can Heal
Did
You Know?
Water can prevent and alleviate many of our symptoms
Gargling,
Sore Throats and Water.
Can something
as simple as gargling with water help keep you from catching a cold? Japanese
researchers say yes, but a U.S. expert thinks that the idea sounds all
wet. In a newly published study, people who gargled every day with water
had fewer colds than those who didn't gargle or those who gargled with
an antiseptic mouth rinse containing iodine. Iodine mouthwashes are popular
in Japan due to the common belief that they protect against colds and
flu.
However,
the iodine rinse was not found to be protective in the new study. But
gargling with water was. The researchers found that people who gargled
with water several times a day were more than one-third less likely to
catch a cold. "This study suggests that simple water gargling is effective
to prevent upper respiratory tract infections among healthy people," Kyoto
University public health researcher Kazunari Satomura, MD, and colleagues
wrote.
Expert Doubtful.
But infectious
disease specialist Aaron Glatt, MD, says the study falls far short of
convincing him that gargling with water is an effective weapon against
the spread of the common cold. Glatt is a spokesman for the Infectious
Diseases Society of America and is chief of infectious diseases at New
York Medical College's Our Lady of Mercy Medical Center. The study's researchers
speculated that gargling with water might wash germs from the throat or
mouth before they have time to spread. But Glatt says this idea doesn't
hold water.
"It just
doesn't make any sense," he says. "If gargling with water protects against
colds then why wouldn't you do the same thing every time you drink water
or anything else." Glatt says there were significant problems with the
study, including the fact that all of the people enrolled knew which treatment
they were getting. "I can't believe (gargling with water) would have any
benefit," he says. "I certainly wouldn't recommend it based on this study."
'Price Is
Right'
Vanderbilt
University professor of preventive medicine William Schaffner, MD, was
also skeptical, but less critical of the study. "My interest is certainly
piqued, but these findings certainly need to be replicated," he says.
"But it would be wonderful if this easy, natural intervention really does
reduce the risk of infection. And the price is certainly right."
A total of
387 healthy volunteers were followed for two months during cold and flu
season. One third of the participants were told to gargle with water at
least three times a day, another third were told to gargle three times
daily with a mouth rinse containing iodine, and the rest did not gargle
at all. During the study, 130 people caught colds or other upper respiratory
infections.
There was
no major difference in the rate of colds between the group that did not
gargle and the group that gargled with the iodine solution. But there
was a 36% decrease in infections in the group that gargled with water.
The study was published in the November issue of the American Journal
of Preventive Medicine.
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