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PED in crossfit is something that has been whispered around for a few years, I remember reading an article about it a few years back.
Especially the women, the PED of choice for them being Anavar....

Welcome to life dude, welcome to life.

So much wrong...

It should be noted that when it comes to working with weights that "jack of all trades, master of none" can be very dangerous.
There are energy and neural pathways that do NOT mix with "cardio".

Yep, pretty much.
Personally I find crossfit dull and I do NOT like to train two different pathways the same workout but hey, whatever gets you off the coach I guess.

Since crossfit is based on the "muscle confusion principle" your body n ever adapts and you always (typically) get a great workout.
IF however you are looking to build a specific skill set or...