David Zinczenko, a former KFC crew listed several secrets of fast food chains.  

According to him food companies that offer combo meals are not actually selling it on a bargain price so much different from any customer's belief of "more food for less money".

Read if you will agree...

They want to be in charge of what you order

 "Combination meals" at hamburger chains only makes you whop 31 percent of what you purchased.

They all taste the same for a reason

The burger, fries, onion rings, and shake all taste like "fast food".

Fast food is made to be eaten fast

It will only take 20 minutes for you to feel full. The faster you eat the more food you want to buy and eat.

Fast food doesn't need much chewing

Heaviest people chew food 11.9 times before swallowing, whereas the thinnest gnaw 14.8 times based on a study.

You'll get fries with that, even if you don't want them

It is hard to say no to an offer directly from the counter. Eastern Illinoies University study said that people will consume 85 percent more when the servers offered them more.

You're not special

Families choose to celebrate "special occasions" on fast-food restaurants even though they have been in that place all the time.

"Medium" is large

Duke University researchers found out that chains regularly encourage customers to purchase bigger sodas by adding number of ounces in ALL sodas, even more money are charged for it.

Today's food packs more calories than the food from the 1980s

Calorie intake these days are twice from what restaurants serve 30 years ago.
Cheeseburger: 75 percent more calories
French fries: 190 percent more calories

Pizza: 70 percent more calories

Your soda is dirtier than a toilet

Ice machines are really hard to clean. A 12-year-old award winning science project found out those ice machines from fast food restaurants are 70 percent dirtier than toilet water.

Your meat is chemically cleaned 

There are cleaning chemicals putted in fast food meat to avoid the existence of  e.coli and other organisms and spoilage.

Flame grilling is phony

Grill marks are already placed in the factory or dyed to think that flames grilled your burger or chicken.

There's more to your salad than meets the eye

Some chains that offer salads powder it with propylene glycol to maintain the leaves crunchy. Propylene glycol is safe for consumption and can be found also on anti freeze and sexual lubricants.

Your fast-food coffee could be making you sad.

Your coffee's Styrofoam cups can leak styrene, a neurotoxin that is a source of depression and failure to concentrate.

Bran muffins are actually cupcakes in disguise 

Bran muffins contains 440 calories which a quarter of it comes from fat.