1 Gradually introduce aerobic exercise into your lifestyle. 2  Begin with just five minutes of activity and then slowly build up the length of your workout until you can work out for 30 minutes, 2 to 3 times a week. 3  Always begin any type of exercise with a warm up.
There are many methods for determining hydration status, including monitoring body mass changes, measuring various blood markers, and analysis of urine (urinalysis). An effective and simple way to determine the level of dehydration is to monitor body weight changes.
Measuring the Accuracy of your Hygrometer. 1  1. The simplest way to test a Hygrometer for accuracy is the damp cloth test. Simply wrap a damp cloth around it and leave it for a few hours. 2  2. A more accurate way to measure hygrometer accuracy (or to help calibrate accuracy) is the Salt Test..