Yes, Ma'am! It affects a LOT of things. Read the following article & read all the items listed that can screw up a guy's penis & reproductive system.
What are my options?
Definite DON'Ts
Alcohol
Alcohol kills reproductive cells and decreases sperm viability. It also disrupts the link between the brain and the penis. Excessive use of alcohol inhibits the creation of the male sex hormone, androgen.
Smoking
Nicotine reduces arterial pressure and as a result, prevents blood circulation to the penis. In addition, toxic substances from smoking are detrimental for sperm maturation.
Marijuana
Sharply reduces the level of male sexual hormones, disrupts chromosomes and promotes undesired genetic changes.
Anabolic Steroids
Anabolic steroids bear a close resemblance to testosterone and as a result, the body stops its natural production causing impotence to occur.
High Cholesterol
Too much cholesterol blocks the vessels providing blood to the penis and thereby reduces the blood flow necessary to maintain an erection.
Overweight
Being overweight can disrupt your hormone balance and, as a result, the production of hormones necessary for achieving erection can become insufficient.
Chemical drugs
Studies show that out of two hundred most used medicines; as many as sixteen are likely to cause impotence. Among the most risky are drugs used for the treatment of high blood pressure, depression, insomnia, ulcers, tumors, plus a couple of medications used to combat allergy.