University of Iowa researchers have shown that CT scans measuring blood flow in the lungs can detect early emphysema-related changes that occur in smokers who are susceptible to the disease.

PRESENTER:Let's take a closer look. PRESENTER:You can see that his heart is pumping hard. His lungs are working hard to supply his body with oxygen, and his heart is beating quickly to send the ...

"In kids, those T-cells seem to be maintained, so they are still able to prevent the virus," Karmouty-Quintana said. According to the researchers, the lung tissue in children naturally has a ...