She has been affiliated with The Jack D. Weiler Hospital of the Albert Einstein College of Medicine, New York Methodist Hospital, Little Company of Mary Hospital and Cedars-Sinai Medical Center. She began freelance writing with "Gastroenterology and Endoscopy News" in 2000. Dinsdale has a Master of Science in nutrition and food studies from New York University. St. John's Wort has shown effectiveness at relieving mild to moderate depression in clinical studies.