Here we go, diving headfirst into the fluffy details of WalletHub's Top 100 Fattest Cities in the USA, and guess what? Two Michigan cities may need to get a bit of exercise and/or watch their calorie intake. Detroit and Grand Rapids, we're looking at you.

Related: Michigan City Ranked as One of the Nation's Five Filthiest

But wait, why would WalletHub, a financial health advisor, be interested in the physical health of a metro area? I can give you nearly 2 billion reasons why. Americans spend a mind-boggling $190.2 billion annually on obesity-related medical treatments. That's enough money to construct a chocolate fountain from Detroit to Grand Rapids.

Detroit and Grand Rapids, Michigan Among America's 100 Fattest Cities

2 Michigan Metros Rank On 100 Fattest Cities In America
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As a country, we aren't just stereotypical; we're breaking records. A whopping 42% carry a little extra weight...or a lot of it, depending on how you see it. According to WalletHub's study, this rate of obesity leads to a slew of work call-offs, which end up costing the country $4.3 billion in lost productivity due to absenteeism.

Now, look deeper at the Michigan cities responsible for tipping the scales. Detroit, Michigan, was the first city in the state to be ranked among the 40 Fattest Cities in the US in WalletHub's study. Motown ranked as the 58th most obese and overweight metro in the country, the 9th worst for health consequences, and the 29th worst for food and exercise.

2 Michigan Metros Rank On 100 Fattest Cities In America
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Grand Rapids, Michigan, earned the designation of 42nd most obese or overweight city in the country, ranking as 35th worst for health consequences and 48th for food and fitness.

Related: Michigan City Named One of America's 'Ugliest'

Where did Michigan fall in the overall rankings on WalletHub's Fattest Cities in the USA? Scroll on to see the full 100 city rankings.

The Fattest Cities in the U.S.A.

Gallery Credit: Scott Clow

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Gallery Credit: Scott Clow