Symptoms of NAION can include blurred vision, peripheral vision loss, dark spots in vision, and changes in color perception. Though the exact mechanism is not fully understood, researchers hypothesize ...

Thirty-two coyotes and counting have been found dead from poisoning near Pantano Wash in Tucson, but the exact poison used remains unknown.

Last week the CDC published Morbidity and Mortality Weekly Report for the first time since the Trump administration froze ...