Jill Gonzalez, an analyst at WalletHub, discusses the top 10 fattest cities in America, according to WalletHub research.Americans spend hundreds of billions of dollars on obesity-related medical treatment every year. Not only can being overweight hurt your health, but it can also hurt your bottom line. Jill Gonzalez, an analyst at WalletHub, discusses the top 10 fattest cities in America, according to WalletHub research. Learn if your city made the list, which unhealthy lifestyle factors can lead to obesity and the large- and small-scale solutions that can help you and your community lead healthier lives. Bonus 7 Ways to Stay Germ-Free at the Gym