Cells lining the larynx, or “voice box,” have important immune abilities that may provide information on how to fight diseases such as asthma and cancer.That’s what a British researcher reported May 20 at an international conference being held at Wake Forest University Baptist Medical Center in Winston-Salem, N.C.Until recently, the biology of the larynx has been largely ignored, Dr. Martin Birchall, head of a British laryngeal research group, said in a prepared statement.