One of the classic methods is to put a drug into your drink; popularly, Rohypnol has been used for date rape in this fashion. A person could also include it in your food or swap out a medication that you normally take for another drug.
It would be impossible to answer without knowing what specific drugs you are talking about.
Yes they did.
Yes
People with mental illnesses may abuse drugs covertly without their families knowing it.
Yes, but many say that it has draw backs when you do it. You can test surfaces that a person has handled after they many have handled drugs. Or you can use hair testing. some labs refuse to do this one because of the possible invasion of privacy ideas.
If drugs are thrown out of a moving vehicle, and a police dash cam captures it, then every person in the vehicle can be charged with possession, obstruction, and destruction of evidence. All of which can potentially be felony charges resulting in a minimum sentence of 365 days.
Without knowing any of the more private details I believe she was depressed and on drugs at the time and was losing her kid.
umm if it's your home, whats the problem? kick him/her out.
disorientation, drugs or anemia.
I believe the question aims to see if the deceased person was given any drugs prior to their death and after cremation wishes to see if those drugs would remain in the ashes. Cremation would generally destroy all compounds except carbon, nitrogen, and some others. Thus, I believe the ashes would not test positively for anything.
Not sure exactly what you mean but maybe you mean a drug addict (someone who is dependent on drugs) who is in withdrawal (going without drugs in order to get clean).
This depends on the drug. Long term steroid usage can cause osteoporosis, for example. It is hard to say without knowing the drug.