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متن خبر voa helth
Want to Stay Warm in the Winter? Think COLD
23 دسامبر 2008
Winter in many places means
ice skating, sledding and snowball fights. But unless
someone is prepared,
outdoor fun can also mean frostbite and hypothermia. Today we talk about how to
stay warm, dry and safe.
Frostbite is damage that
happens when skin is exposed to extreme cold for too long. It mainly happens on
the hands, feet, nose and ears.
People with minor cases of
frostbite that affect only the skin may not suffer any permanent damage. But if
deeper tissue is affected, a person is likely to feel pain every time the area
gets cold.
If blood vessels are damaged,
people can suffer an infection, gangrene. Sometimes, doctors have to remove
frostbitten areas like fingers and toes.
Hypothermia happens when the
body cannot produce as much heat as it loses. The condition comes on slowly.
Signs include uncontrollable shaking, unusually slow breathing and difficulty
thinking clearly. If not treated, hypothermia can be deadly.
The best way to avoid
cold-related injuries is to be prepared for the outdoors. Here is a simple way
to remember four basic steps to staying warm. Think of COLD -- C.O.L.D.
The C stands for cover. Wear
a hat and scarf to keep heat from escaping through the head, neck and ears. And
wear mittens instead of gloves. Gloves may not keep hands as warm because they
separate the fingers.
The O stands for overexertion.
Avoid activities that will make you sweaty. Wet clothes and cold weather are a
bad mix.
L is for layers. Wearing
loose, lightweight clothes, one layer on top of another, is better than a
single heavy layer of clothing. Also, make sure outerwear is made of water
resistant and tightly knit material.
Can you guess what the D in
COLD stands for? D is for dry. In other words, stay as dry as possible. Pay
attention to the places where snow can enter, like the tops of boots, the necks
of coats and the wrist areas of mittens.
And a couple of other things
to keep in mind, one for children and the other for adults. Eating snow might
be fun but it lowers the body"s temperature. And drinking alcohol might make a
person feel warm, but what it really does is weaken the body’s ability to hold
heat.
Next week, experts talk about
what to do, and not to do, to help someone injured by extreme cold.
And that’s the VOA Special
English Report, written by Caty Weaver. For more health news, along with
transcripts and MP3s of our reports, go to voaspecialenglish.com. I’m Faith
Lapidus.
امیدوارم کمک خوبی باشه برای شمایی که رشته ی زبان رو به صورت حرفه ای دنبال می کنید .
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