This pilot study sought to compare the feasibility and acceptability of @-minute , twice-per-week sessions of YM for @ months with those of no-contact control and to evaluate the effects of the intervention on QOL ( according to the Short Form-@ , Perceived Stress Scale -LSB- PSS -RSB- , and Impact of Events Scale -LSB- IES -RSB- ) and salivary cortisol and dehydroepiandrosterone sulfate ( DHEA-S ) among PLWH who use crack cocaine .