Junk food is not very nutritious for you, and often contain ingredients that are harmful to your body. Such as trans fat from partially hydrogenated oil, because it's cheaper to mass produce than normal butter. They are typically much higher in calories as well, which will lead to weight gain over time. They are also lower in fiber, which can cause gastrointestinal problems. The fats in junk food are also not the fats your body needs.
If you're curious about the harmful effects of long term fast food intake, look at a documentary called "Super Size Me".
We shouldn't eat junk food because it is bad for you
Junk food is food that is bad for you and you should not eat it every day simultaneously or you will get obese.
It all depends on what you are throwing away - healthy food or junk food. If you throw out healthy food and eat only junk then doing so is very bad for you.
People eat junk food if they want a snack.
Because if you eat lots of junk food, it will go through your system and make you unhealthy.
junk.... not me
Exercise regularly and eat less junk food.
As with anything, junk food is mostly bad if indulged in to excess. Moderate eating of junk food is not bad, unless a doctor advises as such.
they eat junk food!
75% eat junk food, 50% are obese from it, 48% die from it.
Yes
Our body uses food and liquid as fuel. Eating junk food is like putting a bad fuel into our body. It is okay to eat a little bit of 'junk food' once in a while, but eating a lot often is going to cause problems. The body has to work extra hard and this cuases a lot of bad things. More tired, weight gain, and becoming very unhealthy. Always make sure you do not eat 'junk food' to much or often, and alway eat healthy food with exercise and you will be fine. Eating junk food can cause all kinds of things such as lack of energy, poor concentration, heart diseases, liver failure, and also diabetes.