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Apr/May 2012
46
Although no single formula
fts everyone, knowing more
about your body
'
s need for
fuids will help you estimate
how much water to drink
each day
.
Health benefts of
water
Water is your body’s principal chemical
component and makes up about 60 percent
of your body weight
.
Every system in your
body depends on water
.
For example, water
fushes toxins out of vital organs, carries
nutrients to your cells and provides a
moist environment for ear, nose and throat
tissues
.
Lack of water can lead to dehydration, a
condition that occurs when you don’t have
enough water in your body to carry out
normal functions
.
Even mild dehydration
can drain your energy and make you tired
.
How much water do you
need?
Every day you lose water through your
breath, perspiration, urine and bowel
movements
.
For your body to function
properly, you must replenish its water
supply by consuming beverages and foods
that contain water
.
So how much fuid does the average,
healthy adult living in a temperate climate
need? Te Institute of Medicine determined
that an adequate intake
(
AI
)
for men is
roughly 3 liters
(
about 13 cups
)
of total
beverages a day
.
Te AI for women is 2.2
liters
(
about 9 cups
)
of total beverages a
day
.
What about the advice
to drink eight glasses a
day?
Everyone has heard the advice, “Drink
eight 8
-
ounce glasses of water a day
.
Tat’s about 1.9 liters, which isn’t that
diferent from the Institute of Medicine
recommendations
.
Although the “8 by
8” rule isn’t supported by hard evidence,
it remains popular because it’s easy to
remember
.
Just keep in mind that the rule
should be reframed as
:
“Drink at least eight
8
-
ounce glasses of fuid a day,” because all
fuids count toward the daily total
.
Water: How
much should
you drink
every day?
Expert
Advice
By Mayo Clinic staf
How much
water
should
you drink
each day?
It's a simple
question with no
easy answers.
Studies have
produced varying
recommendations
over the years,
but in truth,
your water needs
depend on many
factors, including
your health, how
active you are and
where you live.
Water is essential to good health,
yet needs vary by individual.
These guidelines can help ensure
you drink enough fluids.