Get the conniption meds ready because many a white southerner may be getting ready to have one!

A new study published in The American Journal of Human Genetics had researchers using ancestry data that was compiled by 23and Me, a commercial genetic testing company, to measure the percentage of African ancestry of people who self-identified as white.

Got those meds ready?

As it turns out, self-identified white people who live in the South have the highest concentrations of African DNA.

In South Carolina and Louisiana — the states shaded the darkest green on the map below — researchers found 2 percent African ancestry in one out of every 20 people who called themselves white. Add to this, in a lot of the South, about 10 percent of people who identified as white turned out to have African DNA.

Hold the phone!

Read more at EURThisNthat.