If I take steroids for just a 1 month cycle, will it have a big effect on my health?

I am an average guy who works out at the gym with good dieting and strong workout routines. I am wanting to take Anadrol 50 for 1 month only. I want to what and all the issues it can cause to my life/health. I'm a healthy 20 year old male. Weigh in at 200lbs and 6ft tall.