5月9日CNN聽力：存眷玄色素瘤的傷害 Snapchat為用戶爭奪投票站自拍的權力
Our producers choose "Roll Call" schools fromCNNStudentNews.com, making one request a daywithout spamming is the way to go.
P.E. McGibbon Public School commented on Friday'stranscript.
It's in Sarnia, Ontario, in the nation of Canada.
We also heard from Buckner Alternative High School.
Shout-out to our viewers in La Grange, Kentucky.
And finally from Western Kentucky, please welcome the Warriors.
Weston Middle School rounds out our roll.
Melanoma Monday doesn't really have a good ring to it, and that's the point.
It's the start of Melanoma Skin Cancer Detection and Prevention Month.
This is an awareness campaign by the American Academy of Dermatology.
It goes on every year at May to get people's attention about skin cancer.
The organization says one in five Americans will develop some form of skin cancer in theirlifetime.
The event aims to tell people, particularly those who spent time in the sun what to watch outfor.
Melanoma is the most dangerous form of skin cancer.
A melanoma is a cancer that begins in the skin cells.
The face and the neck are common areas for melanomas to appear.
For men also, the chest and the back, for women, the legs.
Exposure to U.V. lights such as the sun causes most melanomas.
When melanoma is caught early, it's almost always curable.
In fact, when you look at people where melanoma was caught early, five years later, 97 percentof them are still alive.
But when melanoma is caught late, it is extremely deadly.
When you look at melanomas that are stage four, that's the most advanced, five years later,only 15 percent to 20 percent of those people are still alive.
Unfortunately, melanoma is particularly likely to spread to the brain.
When you look at people with stage four melanoma, 60 percent of those patients will developbrain tumors.
There are various treatments for melanoma.
It can include surgery, radiation chemotherapy and the use of targeted, newer cancer drugs.
Now, some melanomas can't be prevented, but some can.
So, the most important thing is to stay out of the sun as much as you can, and if you are inthe sun, cover up with clothing or with sunscreen.
And certainly, don't use tanning beds.
The American Cancer Society recommends that you check your body once a month.
Look for moles, look for new moles, and also for changes in moles that already you have.
Should American voters be allowed to take selfies in the voting booth?
Snapchat is now out of a few different groups fighting against bans on ballot box selfies.
There's no federal law about this, but most states don't allow voters to show their markedballot, which indicate whom they voted for.
In Pennsylvania and Indiana, you could go to jail for voting booth pictures.
In Vermont, you can take selfies, but not share them.
In Oregon and Wyoming, there are no laws against this.
Snapchat says that ballot box selfies are part of free speech and that they're just a way thatvoters, especially young voters, engaged in the political process.
Critics say selfies threatened the secret ballot, where your vote is private and free from outsideinfluences.
They're also concerned about corrupt political groups paying people to vote and thenrequiring ballot box selfies as proof.
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