answer
i think every junk food is a silent killer but it only cause weight gain and has no health benefit
Fast food that's typically not healthy or of benefit to the body .
All junk food can make you obese if you do not get enough exercise.
Healthy food provides your body with nutrients that it needs to function and have energy. Junk food lacks nutrients that your body needs. That is why it is called 'junk'. Instead you may be getting food additives that may be tasty, but are of no benefit to you.
yes but depending where you are
There is nothing wrong with "Junk food" being allowed in school, thus there is not really a bad result.
Junk food should be banned from school because it is very unhealthy. It is also because there is a risk of getting Diabetes
people wont get fat
Kids enjoy it and parents tend to be irresponsible.
no but they should have healthy options too.
of course
At home, since most meals and snacks are not eaten in school (only lunch). But you should have added a third possibility: neither home nor school, since a lot of junk food is eaten in places such as fast-food outlets or on the street.