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Blood Donors in Sweden Are Notified Every Time Their Blood is Used

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Blood donations are steadily declining all over the world. To address the issue within their own borders, employees of Sweden's blood service have been coming up with new ideas to attract more donors. 

The service's latest initiative sends texts to donors thanking them for their generous contribution. Once their blood is used, donors receive a second text letting them know.

“We are constantly trying to develop ways to express [donors'] importance,” Karolina Blom Wiberg, manager at the Stockholm blood service, told The Independent. “We want to give them feedback on their effort, and we find this is a good way to do that.”

The text notifications serve to make donations more tangible, which in turn encourages donors to contribute again. This program has been available for three years in Stockholm, and has gradually spread across Sweden after its initial success.

Sweden makes an effort to be transparent about other parts of the blood donation process, too. Citizens in Stockholm can check a website to see how much blood is in stock. When the supply runs low, do-gooders can sound the alarm and encourage others to donate blood via social media.

Explains Lottie Furugård, a communications manager at Stockholm's blood center, “Social media is an extremely important channel for us to reach our donors. Sweden needs more young donors to have stable blood supplies in the future."

[h/t: Independent.co.uk]

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Knock-Off Versions of Nerf Ammo Can Cause Serious Eye Injuries
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Mike Mozart, Flickr // CC BY 2.0

Nerf toy guns and their foam projectiles, as marketed and manufactured by Hasbro, are virtually harmless when used as instructed. But, as reported by CNN, a recent paper in the UK medical journal BMJ Case Reports is providing a reality check when it comes to using the mock weapons and off-brand ammo improperly.

Three unrelated patients were treated at Moorfields Eye Hospital in London with ocular injuries that were sustained as a result of being "shot" with Nerf guns. Two adults had bleeding and inflammation in the eye; one 11-year-old had bleeding, inflammation, and damage to the outer retinal layer. All three suffered what the paper described as "significant ocular trauma." Attending doctors treated their swelling, and all symptoms resolved within a few weeks.

So what happened? In the case of one patient, a Nerf play session went awry as a result of using non-licensed ammo that isn't subject to Hasbro's quality control measures and may be made of harder materials as a result. On their Nerf landing page, Hasbro cautions users to "never modify any Nerf blasters or other Nerf products. Use only the darts, water, rounds, and discs designed for specific Nerf blasters."

Pediatric ophthalmologists interviewed by CNN recommend that protective eyewear be used whenever anyone is playing with Nerf weapons. It's also advisable never to aim for the face when shooting and to avoid attempting to modify the weapons to shoot faster or farther.

[h/t CNN]

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Here's What You Need to Know Before Getting Inked or Pierced, According to Doctors
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Getting inked or pierced is a rite of passage for many teens and young adults. But before getting that belly ring or butterfly on your back, experts want you to be aware of the risks, which are reviewed in a new clinical report from the American Academy of Pediatrics (AAP). According to NPR, it's the first set of recommendations the professional association has ever released on the practices.

Forthcoming in the October 2017 issue of Pediatrics and available online, the report provides a general assessment of the types and methods used to perform body modifications, along with potential health and social consequences. Here are a few main takeaways:

—It's unclear how often tattoos cause health complications, but they're generally believed to be rare, with the greatest risk being infection. One recent study found that nanoparticles in ink can travel to and linger in lymph nodes for an extended period. That said, you should check with your doctor to make sure all of your immunizations are up to date before getting either a tattoo or piercing, and that you're not taking any immunity-compromising medicines.

—Before shelling out your hard-earned cash on a tattoo, make sure it's something you'll likely still appreciate in five to 10 years, as it costs anywhere from $49 to $300 per square inch to remove a tattoo with lasers. (This might provide all the more incentive to opt for a small design instead of a full sleeve.)

—About half of people 18 to 29 years of age have some kind of piercing or tattoo, according to Dr. Cora Breuner, who is chair of the AAP committee on adolescence. Many individuals don't regret getting one, with some reporting that tattoos make them feel sexier. But while millennials appear to be cool with metal and ink, hiring managers might not be too pleased: In a 2014 survey of 2700 people, 76 percent said they thought a tattoo or piercing had hindered their chances of getting hired, and nearly 40 percent thought tattooed employees reflected poorly on their employers.

—Not all tattoo parlors are created equal, as each state has different regulations. Keep a close eye on whether your artist uses fresh disposable gloves, fresh needles, and unused ink poured into a new container. This helps prevent infection.

—The advice is similar for getting pierced: Make sure the piercer puts on new, disposable gloves and uses new equipment from a sterile container. Tongue piercings can cause tooth chippings, so be careful of that—and remove any piercings before you play contacts sports.

The full report is available online.

[h/t NPR]

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