Slay sacred cows, save classrooms

March 09, 2008 04:04 AM

UPDATED March 09, 2008 04:09 AM

More Videos

  • It's only temporary — smartphone blindness

    Smartphone habits may force doctors to ask patients a few more questions when diagnosing vision or neurological problems. “I think if a person experiences a temporary loss of vision in one eye, that’s potentially a very important problem for which they should seek medical attention,” says Mayo Clinic neurologist Dr. Dean Wingerchuk. “But it doesn’t always mean there’s an abnormality.”