In comparison, chemo can give newly diagnosed lung cancer patients an extra two to three months of life, says study co-author Thomas Lynch, director of the Yale cancer Center.

Also, research has suggested that nicotine may be a co-promoter in generating lung cancer, so continual exposure to nicotine might work against chemotherapy treatments, Edelman said.

Objective To investigate the effect of carbon monoxide (CO) inhalation on acute hypoxic pulmonary arterial hypertension and acute hypoxic lung injury.