i want to know more about disadvantages of fast food

It is not good for your health. Fast food ocassionaly is ok but not on a regular basis. I think they prepare the initial food first and keep it in a place, when customer comes for food they just start the second part from there only so the food value is no longer there.

It has alot of fat and way to much salt, and salt causes high blood pressure whitch is not good for your heart, plus most of it is fryed and all the grease is not good for you either.

i'd say obesity is the foremost disadvantage that eating fast food can cause

we dont know how they prepared the foods they served, on some fastfood chains, however there are some that regularly check the cleanliness and the quality of foods they served , diarhrea and indigestions are usually they got , with some bad bacteria carrier , like flies, cockroaches usually roaming and flying around the kitchen, hepatitis is the one to be consider too,,,

where r u from Azimah?r u a boy or a girl?

fast food causes mal-digestion, some fast foods may not be well cleaned and may cause poisoning.some fast food contain microscopic germs which affect the digestion. it immensely causes fat and fatigue and lack of concentration, and it is more damaging than benefical. thank u azima for ur interest