Yes because you can't stop
<span>Inhalants are addictive, and may cause immediate brain damage, constipation and nausea. While amphetamines do not cause any such harm. Amphetamines are used as a stimulant of the central nervous system.</span>
Physical because for it to melt it needs to be in a warm enviroment.
I would say HMO. The reason is it says SELECTED physicians. An HMO is an in network where you can only go to certain doctors and facilities. In return the doctors receive a little less than what they would originally be paid by other insurances. PPO's you can go to any doctor you want, however the insurance may not cover as much. Hope this helped. I would go with HMO.
It help warm and moisten incoming air
