PEDs use is almost normal than most people think in sports. I'm not saying everyone is using but it's def more than the general public thinks. who doesn't get caught using just has better ways or means of cheating. 10/13 patients had undetectable viral load with mean CD4 count of 339 ± 270 cells/ml Duration of TDF therapy at time of biopsy ranged from 3 weeks to 8 years (mean = 19.6 months and median = 8.