yes it could, likely your carbuerator float, needle or needle seat are not working properly allowing the carb to overflow and the gas is making it's way into crankcase, this will contaminate and dilute the oil, you want to change the oil and get the carb issue fixed.
yes
It won't hurt the engine but it will hurt the catalytic converter.
perms do not hurt, but they do smell bad
It does not hurt an engine to run it with no exhaust muffler
No it does not do non physically thing to you its only the smell that's what really smells.
No, it is not. Cat urine may smell terrible, but it ultimately won't hurt you.
Ejaculating does not hurt at all but yes it has a scent, so your mum may smell it if she enters the room where you just masturbated, and yes it stains.
I think a may hurt there sense of smell a little maybe too much may make the hamster loose its sense of smell.
Root smells bitter but it is very fresh. If you smell the root too much, your nose might hurt.
Yes but it is a slim chance. Bacteria can get in your lungs.
Raw garlic wont hurt you,it will make you smell though. Take raw ginger with it and you wont smell.
Yes a vinogrown bite does hurt. It is a liquid kind of acid which gives the vinegar its taste and smell it can hurt the eyes if bitten giving the bug to get away.