Here are the 10 unhealthiest cities according to WalletHub: Brownsville, Texas. Gulfport, Miss. Laredo, Texas. Columbus, Ga. Shreveport, La. Augusta, Ga. Fayetteville, S.C. Corpus Christi, Texas. Detroit, Mich. Huntington, W.Va. ConsumerHealthLifestyleHealthSan FranciscoU.S.Stream...