A human could, if circumstances warranted,
survive about a month without food, but only about a week without water. Our
adult bodies are about 70 percent water, down from 80 percent when we were
born. Water is what makes our blood liquid. Our brains and muscles are 75 percent
water. When our bodies run low on water, they have difficulty performing their
basic functions. It’s no wonder it’s so important to our survival.
Water does many things for our bodies. It helps
control our internal temperature by insulating the body from cold and by
shedding excess heat. Most of our cells are composed primarily of water and
without water they could not perform their basic functions. It also helps our
kidneys rid the body of toxins and is the biggest part of our blood and lymph
systems.
It’s estimated that 75 to 90 percent of us do
not drink enough water. And many of us may suffer from dehydration every day
without realizing it. Some of the initial symptoms of dehydration are dry mouth,
sleepiness, muscle weakness, headaches, and dizziness. In its more severe form,
it can include confusion, irritability, dry mouth, lack of sweating, decreased
urination, dry skin, rapid heartbeat, and many other unpleasant results. In
most of us our symptoms never become extreme enough that we take them very
seriously, but a low-level dehydration over a period of time is not good for our
bodies.
How much water we need is to some degree a question
open to debate. The commonly accepted amount for an adult is eight 8-ounce
glasses of water per day, though some doctors recommend more. Eight is the
recommended minimum in most cases. Pay attention to your body; if you show
symptoms of dehydration, then drink more. If you’re sweating a lot due to
temperature or physical labor, then you should drink more water accordingly.
Some people schedule water drinking into their lives. Some people carry around
a water bottle with them all day long and drink from it regularly. Whatever you
decide to do, it should be something that works for you.
Clean water, in particular, is what our systems
require. Spring water is ideal, or water from a good, clean well. Part of
making sure we stay healthy is making sure that future generations have enough
clean water to drink. Be conservative with your water use. Something as small
as turning off the water while you brush your teeth can have surprisingly big
results over time. Make your showers are shorter. Wash the car less frequently,
and trust nature to provide enough rain, in most instances, for your lawn. Be
careful what household cleaner and fertilizers you use: don’t use chemicals
that will hurt our water, and us.
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