Because they can still be powerful enough to make you drowsy or unconcentrated.
what are the danerous or harmful drugs
Yes they are harmful.
drugs that cause harm.
You need to be more specific. Exactly which drugs are you talking about?
All drugs can be useful or harmful, if not taking correctly or for the right reason.
All drugs that you smoke are harmful to your lungs; cannabis, nicotine, crack etc.
first of all you spelled breast wrong. and yes doing drugs while breastfeeding if harmful to the baby. and if your doing drugs what are you doing? you have a baby. don't be stupid.
Well it all depends on what drugs you are talking about. Some drugs are harmful some can be good for you if taken correctly.
Because it demage our lungs.
steroids
they took ectasy
DUHHH!!