求翻译：儿童的肥胖问题在当前社会中显得越来越突出了。造成儿童肥胖的原因很多，但是不良的生活习惯，垃圾食品的流行和缺乏适量的运动是比较明显的原因。是什么意思？

Obesity in children has become more prominent in current society. Many reasons for the causes of childhood obesity, but bad living habits, prevalence of junk food and lack of a reasonable amount of exercise was more obvious reasons.