Theory as practice: thinking theoretically about health promotion -- Why think theoretically about health promotion? -- Who is thinking theoretically? current use of theory in health promotion research and practice -- Which theories? an overview of the theoretical landscape in health promotion -- Pattern # 1. Exaggerated focus on individual-level factors: too much of a good thing? -- Pattern # 2. Undue emphasis on rationality: what's love got to do with it? -- Pattern # 3. Deliberate privileging of linearity: the whole or the sum of the parts? -- Applying theory to health promotion research -- Applying theory to program planning and evaluation -- Bridging the gap: recommendations to enhance the use of theory in health promotion research and practice