It can also interfere with diagnostic procedures using radioactive isotopes. Authors Diane Stein and Juliette de Bairacli Levy recommend the herbs Hawthorn Berry and Rosemary Leaf for regulating the heart. Stein says that Hawthorne is the traditional herb for strengthening the heart and reducing blood pressure. Levy recommends Rosemary Leaf tea with honey as her main herbal for heart dis-ease and heart weakness in dogs and cats. She uses one level teaspoon of honey to every tablespoon of infused tea.
Herbs generally balance the system.
One herb can have several actions and much of the time a particular action of an herb that is not needed, is disregarded by the body. This is an example of the infinite wisdom and synergy between the plant world and the human body. Nelly Grosjean, naturopathic doctor and internationally respected aromatherapist, uses Neroli or Petitgrain essential oils as a tranquilizer and cardiotonic. For cats she advises to never apply essential oils to their coat or skin for this use but you could place one drop on their tongue or diffuse into the air. For an intense treatment she recommends to place a diffuser in a large box for 5 minutes, remove the diffuser and place the cat in the box for 5 minutes.