The use of fentanyl is going up and the medical community is trying to understand just what it does to the human body.
Things you may have witnessed are people so high, they just stand in the middle of the sidewalk bent over, appearing as if they were frozen in place.
https://abc7ne.ws/3QOvOIt
#sanfrancisco #tenderloin #fentanyl #sideeffects #ucsf #abc #abc7news