Researchers at the University of Toronto's Quality of Life Research Unit define quality of life as The degree to which a person enjoys the important possibilities of his or her life (UofT).
The shelf life of cold-smoked salmon is very short, one to two weeks in the refrigerator and about one month in the freezer. Storage time is another critical factor in the proliferation of Listeria bacteria since it can grow at low temperatures.
Here's how to tell lox, Nova and, while we're at it, gravlax and kippered salmon apart. Smoke makes the difference. In a nutshell: Smoked salmon is cured or brined, then smoked. Lox is cured, but not smoked. Lox came about in the pre-refrigeration days as a way to preserve fish during transport.