带来坏的影响英语

"Although fast food brings people convenience, it also on people caused somebad influence."

Though the fast food is convenient for people, it also has bad influence on them.

我这种坏习惯给班上同学带来了不好的影响My bad habit had a bad effect on my classmates.

bad influence

impact是比较中性的词，如果说不好的影响，可以用adverse impactaffect 本身含有坏影响的含义