There is no simple answer to this question. It depends on how much you inhale and what kind of insecticide you're sniffing. In large enough quantities any insecticide will kill you, just as it does the bugs. Almost any of them will cause cumulative damage if you sniff them regularly. No matter which it is, cumulative damage will eventually cause you harm or death.
Not a lot
No
Depends what type of glue.
You get high.... America these days.
If you do sniff propel powder you will have VERY intense burning in your nose, I've had people tell me all about it.
My son is sniffing deodorant . How can to stop it
You get a sweet scent sent up your nose.
Chuck Norris comes and whoops you upside the head
YOUR STUPID and u will blo up
You can internally hemorrhage and die.
the prefix of the word insecticide is -in
Yes. It is just like a drug. Same happens if you sniff glue.