What is the fine-grained topic of the following text: Nelda McEwen has been a practising Medical Intuitive in SW Ontario for over 29 years integrating her background in iridology, specialized kinesiology, holistic nutrition, herbal therapies, homeopathic drainage, flower essence therapy, radionics and electron frequency analysis. Only return the topic.
Nelda McEwen's career and practice as a Medical Intuitive in Ontario