Inhale for 5 to 10 minutes, once or twice a day, to cleanse the lungs when congested. Lobelia. Lobelia is another lung-cleansing plant. Lobeline thins mucus to assist phlegm discharge. It promotes ...

“In general, both spitting and swallowing are safe to do,” Parsons echoed. “Swallowing is harmless, because the stomach acid ...