By Rebecca Smith It is not easy for a lot of people to eat the required diet and keep fit. One should know that metabolic rate plays a significant role in weight gain or loss. For one to know what to eat and how to exercise it is crucial for them to know the speed at which the bodies metabolize calories. In Metabolism testing Foster City , individuals get to know accurately about their body metabolic rate that informs their lifestyle habits for them to improve their health. A metabolic rate machine takes the measurements as one breath in its tube through the mouth. The exercise is done when the one is relaxed. One should not take caffeine, eat in four hours or do any exercise. This is to make sure that the results obtained are at the precise point when the body was calmed down. It takes a maximum of ten minutes to complete the task. The instructors the check the data and analyze it to know what recommend for your diet and body exercises. After that, a workout and dieting time...