It’s no secret that people are larger in 2018 than ever before. Waistlines have expanded over the last twenty years and studies show that portion sizes have grown as well. Researchers from New York University found that average portion sizes started to grow in the 1970’s, rising quickly in the 1980’s – and this phenomenon hasn’t shown signs of slowing. A “large” order of fries from McDonalds’ weighs the same as 1998’s “Super size” fries. And it doesn’t stop there. Check out these eye-opening figures, provided by the National Institutes…