“…27 In 11 out of the 15 papers, references to 'vulnerable populations' as high risk groups were made due to numerous diverse characteristics linked to poor diets and health outcomes. These 'at risk' groups were farmworkers, 28 single parent households, 29 those who are unemployed, 29,30 obese and overweight, 31 migrants 32 or ethnically diverse groups, 33,34 frequent consumers of SSBs, 26,31 children or adolescents, 35,36 people with disabilities, older people, those living in poverty, and people affected by alcoholism and drug addiction. 29,33 Five studies provided vague or unclear definitions over who might be included in the term 'vulnerable populations', or the reasons why, and did not explain this concept further.…”