If you live in a city, have a desk job (and a stressful one at that), drive an hour at least each day, and do not do exercise, then you probably are forcing your liver to do extra work trying to do away with all that excess of toxins.
Have you felt tired lately without a good reason? Or maybe you do not feel like working or engaging in an activity that you usually like. Yet you do not have any symptom of a disease, like a rash, or fever. In that case, your body is probably full of toxins that keep you from achieving|attaining|accomplishing|acting|acting out at full. I propose you try detox patches as a solution.
If you reside in a city, have a desk job (and a stressful one at that), drive an hour at least each day, and do not do exercise, then you probably are forcing your liver to do extra work trying to get rid of all that excess of toxins.