The source of that sniffle might be dust in your room.
The source of that sniffle might be dust in your room. Fotolia TNS
The source of that sniffle might be dust in your room. Fotolia TNS

Feeling sick? You might be slumbering in a dust bowl

January 11, 2016 2:07 PM

More Videos

  • How does tuberculosis (TB) spread?

    Animated video demonstrating the transmission and pathogenesis of tuberculosis (TB).