epidemiological studies

Researchers from the Yale School of Public Health published one of the dumbest papers we've ever seen. They claim that some areas in which fracking takes place (Texas only) have more sexually transmitted diseases. Embarrassingly funny and, yes, "fracking" stupid.
The risk of colon cancer from nitrite-preserved meat has been debated for so long that even the preserved meat has gone bad. A new study tries to back up this claim -- and fails miserably.