Hi, I have read in several places where taking IGF-RL3 can possibly make your organs and intestines grow. I have 2 questions that I would like your opinion. First, is this organ growth permanent? Or do they possibly shrink some like your muscles when you get off of the IGF1? My second question has to do with your heart. Will it make your heart grow?? And is it OK to RUN or do any cardio while taking IGF1?? My common sense way of thinking leads me to believe that running or doing cardo would excerise the heart and maybe make it grow bigger than without cardio. But I know there are TONS of athletes that are not bodybuilders taking the stuff. So if anyone cares to answer I will be glad to listen to your response to these two questions.