In search of a ‘healthier Scotland’: Consumer watch group calls for ban on marketing HFSS snacks 05-Feb-2021 By Gill Hyslop Obesity Action Scotland (OAS) has called for a ban on the ‘incessant’ marketing of snacks high in fat, sugar or salt (HFSS) like cakes, biscuits, confectionery and savoury snacks as lockdown has sent the nation’s weight gain soaring.