I Have Been Masturbating From The Age. Of. 11 Yrs

I have been masturbating from the age. of. 11 yrs and am now 25,am now having serious heart problems,beats so faster. and my bp. Is high,my penis too is very small in size like that of a 5 yr olds,tho am around 7.2 inches when it erects,I can't grow fat,serious eye problems,one keeps moving inside than the other, my one arm bigger than the other,no morning erections, ejaculate just under 10 seconds,pains in penis, struggles a lot before it erects,have never had sex with any woman before,am facing all these problems because of masturbation??,I want to stop and get back to my normal healthy life, haven't done it for the past 3 months,please help me out