Americans eat 13 billion hamburgers each year, which is enough to circle the earth more than 32 times.
Lower income people eat more junk food than more affluent people. Scientists suggest that extreme economic uncertainty makes it less likely that someone will prepare for a long-term, healthy diet.
Eating junk food alters the brain activity in a way similar to addictive drugs do, such as cocaine and heroin.
A single fast-food hamburger can contain meat from hundreds, or even thousands, of different cattle.
Four out of five children recognize the Mcdonald's logo by the time they are three years old, which is before some of them know their own names.
The father of pizza is considered to be Rafaele Esposito from Italy. He wanted his pizza to look like the Italian flag, so he topped his pizza with green basil, white mozzarella, and red tomatoes.
Mothers-to-be who eat junk food during pregnancy increase the likelihood that their children will eat unhealthy as well.
In Japan, eel and squid are popular pizza toppings.
Chick-fil-A sells more than 1.64 billion chicken nuggets every year. That would be more than 5 nuggets for each person in the U.S.
Eating fast food regularly has the same impact on the liver as hepatitis. French fries, fried chicken, and onion rings are particularly harmful.
Pizza Hut uses over 300 million pounds of cheese per year.
Fats from junk food trigger the brain to want more food. This effect can last for several days.
The average American eats over 4 pounds of potato chips a year.
While eating ice cream may seem a delicious way to cool off, the high fat content in the tasty treat actually warms up the body.
Over 2 billion popsicles are sold every year.
The average American eats 30 pounds of French fries per year.