“…44,398,424,438,471,472,696,701,704,715,729,730,756–774 The ENDS market is expanding 701,756 and accessible to consumers through internet vendors 472,729,769,771 and in most tobacco outlets. 472,704,729,730,758,759 Field observations of tobacco retail outlets have found that more than half of tobacco retailers sell ENDS. 438,729,730,762 One study found no significant relationship between retail availability and neighborhood demographics, 704 but another study indicated a greater likelihood of ENDS retailers in communities with higher median incomes.…”