 Jones studied conventional medicine and practiced for five years before deciding that the medicine of the day was harmful, because of its dependence upon harsh cathartics like calomel.He then turned to eclectic medicine, which relied upon herbal extracts including those of the Native Americans, went back to school, graduated, and practiced eclectic medicine for another five years.He decided to learn homeopathy, went back to school, and then practiced as a homeopath.