While it mostly affects children - around half have had it by their fourth birthday - people of any age can get it.
等到政策变天、对手入局，才发现自己早已没了还手之力。
，更多细节参见heLLoword翻译官方下载
Why is this a problem?
So, what does it all mean?
Kaley said while she uses YouTube less often now, she believes she was previously addicted to it. “Anytime I tried to set limits for myself, it wouldn’t work and I just couldn’t get off,” she said.