Although the final verdict of the medical safety of vasectomy is not yet in, suspicions are rising that the long-term effects on the immunological system will reveal that a vasectomy can cause many other serious health problems. H.J. Roberts, MD analyzed his own patients over a period of three decades and found a high correlation between a wide variety of conditions and men with fairly recent vasectomies.
According to Dr. Roberts, "Their patterns of response suggest a cause and effect relationship between vasectomy and various disorders, especially in light of the fact that the majority had enjoyed good health before surgery." [Is Vasectomy Worth The Risk? A Physician's Case Against Vasectomania]
A vasectomy involves cutting and tying the cords (the vas deferens) that carries the sperm. There are several procedures used to carry out a vasectomy, involving either cutting and tying, electrocautery (burning with an electrical current), or both.
The body will react to the out-of-place sperm with an immune response, thus opening the door for possible complications. After a vasectomy, sperm production remains the same: about 50,000 spermatozoa each minute. Having "no way out" these cells die and are absorbed. Antigens that are released in the process can infiltrate the bloodstream and cause the body to manufacture antibodies to defend itself against them, with possible cross-reactivity to other body tissues.