Mammoth Cave, the world's longest known cave system. The following is a list of the world's 10 longest caves per length of documented passageways. Many passageways are still being discovered; this list is based on the latest verifiable data.
patent medicine - medicine that is protected by a patent and available without a doctor's prescription. medicament, medication, medicinal drug, medicine - (medicine) something that treats or prevents or alleviates the symptoms of disease. nostrum - patent medicine whose efficacy is questionable.
What is Alternative Medicines. The term Alternative Medicine means any form of medicine that is outside the mainstream of western medicine or conventional medicine as practiced a majority of doctors today. This term is loosely used to over all forms of medicine except allopathy. In 1973, the Medical Faculty of the University of Rome convened the first World Congress of Alternative Medicines and the provisional program contained no less than 135 therapies.