More generally, desalination may also refer to the removal of salts and minerals, as in soil desalination, which also happens to be a major issue for agricultural production. Salt water is desalinated to produce fresh water suitable for human consumption or irrigation.
Fitbit continues to be the most popular wearable tech brand and for good reason. Its fitness trackers are easy to wear, simple to use and have great apps behind them. With a range from $59.99 right up to $249, Fitbit has done its best to cater to everyone looking to buy their first fitness tracker.
The Charge 2 is certainly the cheapest fitness tracker that can give you an estimate of this statistic (a few high-end Garmin and Polar devices measure it as well), but Fitbit translates it into a cardio fitness score that places you on a spectrum for people of your sex and age.