根据以下几点写一篇英语作文,不必太长

Today,none doesnt know the fastfood,especially children like it,But why is the fastfood so popular?Frist,it is convenient,you can eat at the fastfood shop,or eat at home.Second,fastfood can save your time,it can be made in a short time and eat up in a short time.However,anything have two aspects.Although fastfood has these advantages,it isnt good for your health.So,let me suggest to you：You can eat fastfood if your time not spare,but the children shouldnt eat too much fastfood.