A sinus flush involves a person gently rinsing their nasal passages with a saline solution. It may help open up the nasal passages, clear out mucus, and remove contaminants and irritants. The sinus ...

Niacin flush is a common side effect of taking high doses of supplemental niacin, which treats cholesterol problems. While harmless, its symptoms — skin that’s red, warm, and itchy — can be ...

Advocates of the saltwater flush believe the procedure helps remove toxins, old waste material, and parasites in the colon. But before jumping on the bandwagon, there are several things to keep in ...