Asthma may be more harmful than was previously thought, according to UCLA researchers who found that genetic damage is present in circulating, or peripheral, blood. Doctors previously thought that the genetic damage it caused was limited to the lungs. In the study, researchers looked for the overexpression of a cytokine called interleukin 13 (IL-13), which is known to mediate inflammation, a critical problem for people … Continue reading Genetic damage caused by asthma shows up in circulating blood stream.