Herbal medicine is the practice of therapeutic plants in order to treat a person in a state of sickness or to prevent disease manifestation. Herbal medicine is the most ancient form of medicine and is still being used. In fact, Herbal medicine is the most common form of medicine used today. Herbal medicine could be used for physical, mental emotional, and spiritual issues. Some herbs have very powerful ingredients and should be used with caution the same as pharmaceutical medications. As many pharmaceutical medications are manufactured in lab setting based on natural occurring form of compounds found in plants. For example, the heart medicine called digitalis has been derived from the Foxglove plant or salicylic acid that is used to make aspirin is found in the plant Meadowsweet.