Origins are unclear; it is one of around 175 US food and drink days, most created by "people who want to sell more food", at times aided by elected officials at the request of a trade association or commodity group."In honor of the day," Time in 2014 published, "5 Crazy Junk Food Combinations".
(a figure which also includes junk food in the form of convenience foods, snack foods, and candy).
In 1976, the US Top 10 pop song, "Junk Food Junkie", described a junk food addict who pretends to follow a healthy diet by day, while at night gorges on Hostess Twinkies and Fritos corn chips, Mc Donald's and KFC.
A Scripps Research Institute study in 2008 suggested that junk food consumption alters brain activity in a manner similar to addictive drugs like cocaine and heroin.
After many weeks with unlimited access to junk food, the pleasure centers of rat brains became desensitized, requiring more food for pleasure; after the junk food was taken away and replaced with a healthy diet, the rats starved for two weeks instead of eating nutritious fare.
In Panic Nation: Unpicking the Myths We're Told About Food and Health, the junk food label is described as nutritionally meaningless: food is food, and if there is zero nutritional value, then it isn't a food.
Co-editor Vincent Marks explains, "To label a food as 'junk' is just another way of saying, 'I disapprove of it.' There are bad diets - that is, bad mixtures and quantities of food - but there are no 'bad foods' except those that have become bad through contamination or deterioration." According to an article in the New York Times, "Let Us Now Praise the Great Men of Junk Food", "The history of junk food is a largely American tale: It has been around for hundreds of years, in many parts of the world, but no one has done a better job inventing so many varieties of it, branding it, mass-producing it, making people rich off it and, of course, eating it." Cracker Jack, the candy-coated popcorn-and-peanuts confection, is credited as the first popular name brand junk food; it was created in Chicago, registered in 1896, and became the best-selling candy in the world 20 years later.
The report asserts that obesity resulted in related complex health concerns such upsurge of heart attack rates.
Testing on rats has indicated negative effects of junk food that may manifest likewise in people.
For example, white bread, crackers, cake, candy, ice cream soda, chocolate malted, sundaes, sweetened carbonated beverages." In Andrew F.
That is anything made principally of (1) white flour and or (2) refined white sugar or syrup.