Introducing GIS - Slimming down the cost of obesity? Key Stage 3 Key Stage 4 GCSE Third Level Fourth Level National 4 As an introduction to GIS this resource highlights takeaways in the vicinity of schools which may contribute to obesity in children. Download Links DfS new service (PDF) DfS old service English (PDF) DfS old service Welsh (PDF) Additional Handouts Powerpoint slides English Powerpoint slides Welsh