Alexa Y Chai M.D.

Erectile dysfunction (ED) affects the ability of a man to have an erection and maintain it long enough to have a satisfying sexual experience. There are certain times when a man may not fully rise to the occasion during sexual intercourse, and this can be due to other factors aside from...

Leukocyte Esterase Urine TestLeukocyte esterase (LE) is an esterase produced by white blood cells (WBCs) or leukocytes. A leukocyte esterase test is a urine test used to detect the presence of white blood cells and other health conditions associated with infection.Normally, leukocyte esterase...

Male reproductive systemMost of the components of this system are located outside the male body. The testis, penis, scrotum, and epididymis are some of the structures. For sexual intercourse the male organ responsible is the penis. From the urethra the semen is released through the penis. The...

Treatment for Prostate CancerSince prostate cancer is a very dangerous infection, there is need to consider a number of factors before treating the condition. Prostate cancer is an infection that does not cause any immediate effects to the patient. However, when the infection develops, it may spread...

What is HIV and how is it diagnosed?HIV refers to a virus and an infection that attacks the immune system. The virus is transmitted from one person to another by the sharing of body fluids. This can happen through unprotected sex, blood transfusion, or sharing of any piercing objects that might pass...

What is saw palmetto?Saw palmetto is a type of palm tree mostly found in Florida and other Southeastern states. Florida's Seminole tribe used to eat the saw palmetto fruit as part of their diet and treated various medical conditions including reproductive and urinary problems, which are associated...