((sweeten*[Title/Abstract] OR sugar[Title/Abstract] OR diet[Title/Abstract]) AND (soft drink*[Title/Abstract] OR beverage*[Title/Abstract] OR soda*[Title/Abstract])) OR (((non-nutritive) OR (artificial*)) AND (sweeten*)) AND (“Mutation”[Mesh] OR “Cytogenetic Analysis”[Mesh] OR “Mutagens”[Mesh] OR “Oncogenes”[Mesh] OR “Genetic Processes”[Mesh] OR "genomic instability"[MesH] OR chromosom* OR clastogen* OR “genetic toxicology” OR “strand break” OR “unscheduled DNA synthesis” OR “DNA damage” OR “DNA adducts” OR "SCE" OR "chromatid" OR micronucle* OR mutagen* OR "DNA repair" OR "UDS" OR "DNA fragmentation" OR "DNA cleavage")