Mediaboss Marketing

(CBS News) Even though social media sites are taking a strong stance against websites that promote eating disorders, the pages don't seem to be going anywhere.

On one blog covered with pro-ana tags found on a popular site, a woman gives a play-by-play of a three day fast she's partaking in. During one of the days, the blogger wrote she consumed only tea, vitamins, and a gallon of water.

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"I'm super psyched to weigh in," the blogger wrote. "If I can make it til noon Friday I may extend it through the weekend!" Other followers offered support and said they'd join in the weight loss attempt.

While the activity of fasting alone isn't a major cause for alarm, the fact that her messages are posted in conjunction of images of frail women (known as "thinspiration"), positive mantras promoting weight loss and other self-loathing notes about being "pathetic" and having no friends, the blog quickly becomes an online snapshot of a person dealing with an eating disorder.

"A lot of times people with eating disorders use these sites as a means of seeking support," Vazzana tells HeathPop.

While the idea of online websites promoting pro-ana, pro-mia and thinspiration is not a new, the popularity of online blogging sites like Tumblr and Pinterest has made it easier for those with the ED to organize online. Simply tag your post with one of the hashtags on Tumblr, and you automatically get linked to other men and women who feel the same way. Create a board on Pinterest of weight loss tips and images of skinny models, and you have a one-stop site to share with others with your same issues.

In February, Tumblr wrote on their blog that they were adopting a no "self-harm" policy, meaning they would shut down sites that promoted eating disorders. Pinterest soon followed suit on March 27 by updating its terms of services to include banning material that "creates a risk of harm, emotional distress, death disability, disfigurement or physical or mental illness to any person." But a quick online search for these terms shows that these sites exist, either because they were created recently and have yet to be taken down or because the banned user created a different account that has yet to be found by the authorities.

"They are still finding a way with all these regulations," Vazzana says. "Even with all the regulations, Tumblr and Pinterest may try, but they'll get the sites back running under a different ISP."

According to the National Association of Anorexia Nervosa and Associated Disorders Inc., it is estimated that 24 million Americans have an eating disorder, but only one out of 10 will receive treatment. Currently, eating disorders have the highest mortality rate of any mental disorder. One in 200 U.S. women suffers from anorexia, and two to three out of 100 women will have bulimia, the South Carolina Department of Mental Health reported.

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Despite social media bans of "pro-ana" websites, pages persist