How is testicle hair cool to return a responsibility ah

What is testicular cool? Under normal circumstances, testicular temperature is 0.5℃ lower than the normal body temperature, which is for the body to produce better sperm. So mild cold is a normal physiological phenomenon. If the cold is obvious, there may be pathological factors, and there may be kidney yang deficiency or kidney qi deficiency. In addition to testicular cool, it can also be accompanied by waist weakness, dizziness, fatigue, impotence and premature ejaculation. The above health science knowledge is for reference only. The specific situation needs to be checked in a regular hospital, and judged and analyzed by a professional doctor. Please do not diagnose or treat yourself.