More than a third of Vegas ' population are obese . Business leaders and other groups are determined to slim them down . ` ` We have made some notable strides in promoting healthy living , '' the mayor says . Grass - roots organizations are also playing a role .
More than a third of Memphis ' residents are obese . Church leaders and other groups are determined to slim Memphis down . `` We have made some notable steps in promoting healthy living , '' the mayor says . Grass-roots activists are also playing a role .