Rogan was taken aback by Sonnen 's bombshell .
Rogan was continued the discussion by suggesting that oestrogen blockers can be used to mask the signs of steroid use , which Sonnen confirmed was true .
Rogan was taken aback by Sonnen 's bombshell , but continued the discussion by suggesting that oestrogen blockers can be used to mask the signs of steroid use , which Sonnen confirmed was true .