Yup. Personal preference sure plays a big role. For PTSD I like the headier up from a good stavia. I'm not sure why but it just gets me where I need to be in a way that the indica buzz doesn't. I have friends who prefer the opposite. I should note that I'm pretty far out of the weeds now with my PTSD (no pun intended). Therapy and time (as in years) were very important factors. I find the meds just smooth out the sharp edges and spike that crop up every so often. It is amazing the way the mind works. Touch, sight, smell, and sound can all bring it out in an instant. The smell of diesel is a sure fire trigger for me. It just brings it all into focus again. Sucks because I'd like to get a diesel motor... another one is Jeep headlights coming at me at night. I can pick them out from half a mile.