As before, the DrugBank homepage offers dropdown menu tabs through a navigation bar to support ‘Browse’, ‘Search’, ‘Downloads’ and ‘About’. Under ‘Browse’, users may browse DrugBank by ‘Drugs’, ‘Starred Drugs’, ‘Categories’, ‘Pathways’, ‘Drug Reactions’, ‘Drug Classifications’ and ‘Drug Targets’. ‘Starred Drugs’ are a new feature offered in DrugBank 6.0 that were developed, based on user feedback, to allow users to customize their viewing preferences. Customized viewing requires that users must login so that the website can track specific user preferences. Once logged in, a user may ‘star’ one or more drugs so that they will appear in user-specified list for ease of revisiting. This is similar to the mechanism by which browsers or online vendors remember user preferences for customized web viewing. The ‘Categories’ page allows users to search DrugBank categories by either drug category or description. This option also shows users the number of drugs and associated drug targets within each drug category. Similarly, ‘Pathways’ can be searched by the pathway name, the pathway category (such as ‘Metabolic’, ‘Physiological’, ‘Signaling’, ‘Drug metabolism’, ‘Drug action’ or ‘Disease’), or by any
