Nasal irrigation, also known as a nasal rinse or nasal douche, involves flushing out the nasal passages with a saline solution. This can help to remove excess mucus and hydrate the nasal lining.
It’s a question as old as time itself: Do we need to pre-rinse our dishes before we put them in the dishwasher? Surely many a marriage has ended because spouses have not been able to agree, so we — ...