There are many ways a skinny person can get fat. One of them is eating too much junk food or not eating fresh fruits or vegetables
By eating several meals per day of fattening food, supplemented with plenty of junk food.
eating the right way like eating a salad only eating junk food once in a while
junk food
By not eating sweets and not eating junk food
You Can Get A Disease By Eating Junk Food By Getting Overweight Or Getting Diabetes And All The Bad Stuff That Happens In Your Body.
Losing weight all depends calories in compared to calories out however eating only fruit and junk food would mean you were getting alot of sugar/carbs. You need some protein otherwise you will look very skinny with little muscular definition
Well, it depends on if their health. If they are fat and overweighted, they should not eat junk food. If they are skinny, they can eat it, but not too much.
stop eating 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.
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By not eating junk food