Also, there were numerous sub-topics with a great number of reviews available. Table 6 identifies 71 subtopics with more than 25 reviews available. Such subtopics included, but were not limited to, alcohol abuse/ use, smoking cessation, women's health, cancer, cardiovascular disease, lifestyle behaviours, disease transmission, depression, diet, healthy weight, exercise, and HIV. As well, most of these sub-topics were within the registered users and visitors' topic areas of interest, with the exception of dental health, senior health, sexual health, and sexually transmitted infections.