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NPR

Tracking Viruses From Animals To People

From the West Nile virus outbreak in Texas, to hantavirus in Yosemite, to the newly-discovered tickborne 'Heartland' virus in Missouri, viruses that cross from animals to people are in the news. Maria Diuk-Wasser, who studies the ecology and epidemiology of zoonotic diseases, helps explain the science behind the headlines.
NPR

The Secrets In A Cigarette

In his book Golden Holocaust: Origins of the Cigarette Catastrophe and the Case for Abolition, historian Robert Proctor reveals little-known secrets of the cigarette, starting with the ingredient list: antifreeze, cocoa shells, liquorice and over 100 other additives.
NPR

Paralympians 'Dream, Drive, Do' In London

The Paralympic Games will wrap up in London this weekend. Athletes with a range of disabilities from over 160 countries have participated in the biggest competition since the Paralympics began in 1960. Host Michel Martin speaks with Team USA Paralympic athlete and wheelchair sprinter Anjali Forber-Pratt.
NPR

X-Ray Tests May Heighten Cancer Risk In Susceptible Women

Researchers concluded that exposure to diagnostic radiation before age 30 is associated with an increased breast cancer risk in women with a certain genetic mutation. They recommend that if a girl or young woman needs diagnostic evaluation via X-ray or CT scan for any reason, she should undergo MRI, which does not use radiation.
NPR

When It Comes To Buying Organic, Science And Beliefs Don't Always Mesh

Many of you wrote in to let us know you weren't happy with a recent study on the health benefits of organic foods — or our coverage of it.

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