The cost of an EpiPen two-pack has risen more than 400 percent in recent years. The drug is used to halt severe allergic reactions. Joe Raedle/Getty Images hide caption

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Joe Raedle/Getty Images

Discounts Aren't Enough to Halt Outrage At High EpiPen Prices

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An aggressive marketing campaign has made the EpiPen the go-to drug for treating anaphylaxis. Mark Zaleski/AP hide caption

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Mark Zaleski/AP

EpiPen Manufacturer Says It Will Help With Out-Of-Pocket Costs

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Younger siblings seem to have an immune advantage as early as 1 month of age, which may help explain where they get the energy to tease older siblings. Rebecca Schortinghuis/Getty Images hide caption

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Rebecca Schortinghuis/Getty Images

Which would you choose — a daily tablet or a trip to the doctor for an allergy shot? Eddie Lawrence/Dorling Kindersley/Getty Images hide caption

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Eddie Lawrence/Dorling Kindersley/Getty Images

Immunotherapy Tablets For Dust Mite Allergy Reduce Asthma Risk

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Lorenzo Gritti for NPR

Aspirin Both Triggers And Treats An Often-Missed Disease

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When a baby is born by cesarean section, she misses out on Mom's microbes in the birth canal. Sarah Small/Getty Images hide caption

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Sarah Small/Getty Images

Researchers Test Microbe Wipe To Promote Babies' Health After C-Sections

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Neanderthals, represented here by a museum's reconstruction, had been living in Eurasia for 200,000 years when Homo sapiens first passed through, and the communities intermingled. The same genes that today play a role in allergies very likely fostered a quick response to local bacteria, viruses and other pathogens, scientists say. Pierre Andrieu/AFP/Getty Images hide caption

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Pierre Andrieu/AFP/Getty Images

Itchy Eyes? Sneezing? Maybe Blame That Allergy On Neanderthals

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Vidhya Nagarajan for NPR

Kids, Allergies And A Possible Downside To Squeaky Clean Dishes

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