(B.) Hashish - lung damage; dependence; tolerance; confusion, loss of coordination; decreased sex drive.
http://www.lanecc.edu/cops/lccprvn1.htm

edema-heavy use of hashish
http://www.nurseslearning.com/course...apter12/P5.htm

"And about the issue of smoking hash VS smoking
cannabis, when hash and hash oil are smoked, they are not smoked the way
cannabis is. Cannabis is burned with the flame and the smoke is inhaled.
Hash and hash oil are heated with the flame until it boils. As it boils and
bubbles pop, gas is released out of these bubbles, which is then inhaled. It
can also be burnt with a flame and the smoke inhaled, but this is much
hotter, thicker, and more painful. I assume that if smoked in this manner
(by boiling the hash or hash oil) there would be less inhaled tars."
http://www.maps.org/pipermail/maps_f...er/002938.html

I don't know the accuracy of those.