Why is junk food so addctive?

The food manufacturers have spent billions of dollars, and I'm not exaggerating, billions of dollars, to find out from neuroscientists how to hijack our tastes. And they know that if they give us something that's, for example, a little bit salty, it's also sweet, it's also creamy, it's also crunchy. If they can combine all of those mouth feel sensations at the same time, it sends a huge input of information to the brain, which, which stimulates dopamine release. And so we are much more keen to go after that food. And then there's the last one, which is the whammy, which is basically that the, the faster we can get to a food, the greater the chances are that we will become addicted to that food. So they make sure that the packages that they design around this junk food are as easy to open as possible.