What causes prostatitis?

The cause that causes prostatitis very much, mainly because of people's bad habits, and also caused excessive masturbation, and there are many we do not know the related factors, as long as the usual accumulation of learning, can effectively prevent the following, and we were learning the same, which likely cause prostatitis?
(1) urethra. Urine reflux occurs frequently in the prostate, so pathogens in the urine can enter the prostate directly to induce infection. This is the main route of prostate infection. The pathogen that causes prostatitis mainly comes from the urethra and other organs of the reproductive system.
(2) intestinal tract. Escherichia coli and other bacteria in the rectum can directly invade or spread through lymph, small veins or blood flow.
(3) tissue around the prostate. Pathogens in the tissues surrounding the prostate can spread directly or through lymphatic vessels and invade the prostate gland.
(4) infection foci throughout the body. Pathogens in other parts of the body enter the bloodstream and spread through the bloodstream. They can also infect the prostate gland. The normal flora of human infection or other organs from respiratory tract, human oral mucosa at certain pathogenic microorganisms into the bloodstream form bacteremia, sepsis or sepsis, microorganisms may spread to the bloodstream and cause infection of prostate.

(5) instruments used for urethral examination. In the examination of urethral instruments, bacteria can also be brought into the urethra of the prostate gland, causing infection of the prostate gland.
(6) sexual partners. Bacterial prostatitis may also be the result of a retrograde infection of the urethra due to sex. Some studies have shown that pathogens in prostate fluid secreted by patients with bacterial prostatitis are the same as those of their partner vaginal secretions.
(7) anal sex. Anorectal intercourse without any protective measures can be caused by Escherichia coli urethritis, urinary tract infection and acute epididymitis, is also an important source of bacterial infection of the prostate
After finished, which could be caused by prostatitis, male friends in daily life, must be timely to strengthen personal hygiene, usually wash clothes, also wear a cotton breathable underwear, a healthy sex life, no anal sex, usually thought the pressure is not too large, moderate strengthening exercise.