Noun. 1. dark matter - (cosmology) a hypothetical form of matter that is believed to make up 90 percent of the universe; it is invisible (does not absorb or emit light) and does not collide with atomic particles but exerts gravitational force.
Causes of Similar Symptoms to Acute prostate blockage like symptoms. Research the causes of these symptoms that are similar to, or related to, the symptom Acute prostate blockage like symptoms: Introduction.  conditions which cause acute symptoms similar to that when there is a blockage to prostate secretions. See detailed information below for a list of 1 causes of Acute prostate blockage like symptoms, including diseases and drug side effect causes. Â» Review Causes of  Causes.
Genetics, too, can be a possible cause for BPH. The prostate continues to grow from the age of 25, but when the prostate grows too much, it can cause complications in older men. Complications of enlarged prostate Bladder stones. Bladder stones, not to be confused with kidney stones, are formed when minerals inside the bladder lump together and harden.