The global challenge of obesity -- The burden on society -- A complex mix of factors -- Treatment options -- The paradigm of care : why change it? -- Changing roles -- Building the team -- Creating a supportive environment -- Structuring the care process -- Problem solving : an introduction -- Step one : identify the problem -- Step two : explore feelings -- Step three : set a long-term goal -- Step four : make a plan -- Step five : evaluate the result -- Useful models and methods -- Practical information -- Maintenance