oil pulling
n.— «The procedure called “oil pulling” may help for edema. It consists of rinsing the mouth with one tablespoon of natural oil for 15-20 minutes and then spitting the oil out. It is done in the morning before eating. Sesame or sunflower oils are usually recommended for this use.» —“How to Cure or Alleviate Edema” by Knut Holt Best Syndication Nov. 30, 2008. (source: Double-Tongued Dictionary)