18% tax on pizza and soda can decrease U.S adult`s weight by 5 bounds(2 kg)/year

From Reuters:

With two-thirds of Americans either overweight or obese, policymakers are increasingly looking at taxing as a way to address obesity on a population level.

"Sadly, we are currently subsidizing the wrong things including the product of corn, which makes the corn syrup in sweetened beverages so inexpensive."

Instead, the agricultural subsidies should be used to make healthful foods such as locally grown vegetables, fruits and whole grains less expensive.