Smoking medical Marijuana, could it be ruining my face?

In the last year my face has gone from plump and radiant to haggard and dry. I have lines all over my face, crepey texture, huge pores, tons of scarring... I can't figure out why this happened to me. I look like I'm in my 40s and I'm only 20. I've struggled with Bulimia and weight fluctuations in my past but I can't understand why my face is suffering years after recovery. I do smoke Marijuana from a water bong daily to cure my crippling anxiety. Could I blame this? I don't know what to do...

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