Shelley Penney is a retired registered nurse with a continued, insatiable thirst for health and wellness information. Although Shelley hails from traditional medical training, she is always searching for ways in which the natural world of healing herbs, foods and supplements can intersect with traditional medicine and benefit us all. Her most recent research fascination is with zeolite <br /><br />Visit ShelleyPenney.com for books, articles, tips and advice.