Some would argue that modern society is why we need to detox.
If referring to drugs or alcohol, this can absolutely be the case because detox is a critical step to recovering from addicting behaviors.
An argument can even be made for detoxing from sugar since there is evidence that many people do indeed suffer from a sugar addiction.
But if you skip the processed foods and go back to a truly balanced diet, you’re already going to benefit from the exact effects of many cleanses.
Most cleanses can be debunked easily.