only because they are toxins themselves and your body stops its natural detox process to rid the body of those more toxic substances, hence the symptoms of detox (i.e., cold, flu, and all the other fake germ theory names) go away. however, those other toxins that were in your body that your were originally trying to expel through the detoxification process are still in your body causing damage and dis-ease, leading to future cancer, blood ailments, heart troubles. ivermectin uses the same mechanism of action and it too is highly toxic, so tread with caution.