Sis no. Just no.

There is higher chance of them being affected by pollution, than smoke that wouldn't even reach them.

You do realise smoke rises and wouldn't even hit them? If she was smoking sitting down, you'd have a case. But general knowledge should tell you smoke rises.

If you're that worried about what the Spears kids are breathing, go protest at the factories who pump pollution etc. That's more dangerous.

And?