Dr. Sandro Demaio in PLoS on the greatest health threat you've never heard of.
State executed rape victim Reyhaneh Jabbari's haunting last letter to her mother in the National Council of Resistance of Iran's webpage.
Gabrielle Canon in Mother Jones pours a touch of cold water on your microbiome.
Daniel Engber in Slate wonders if drinking Coca-Cola will make you age faster (like the recent study and headlines purport)?