写一篇关于“经常吃零食、不爱运动、乱扔垃圾、不讲卫生”指出其害处并提出有益健康的良好习惯的80词作

Now many students have bad habits. For example, often eat snacks, inactivity, litter, don't speak hygiene, etc. These are all very good habits, there is a lot of harm to the body. Often eat snacks will make us have high blood p...