Prostate calcification is a common condition in middle-aged men and can be associated with certain diseases of the prostate. Most cases of prostate calcification are asymptomatic and not dangerous for the patient.

Semen clotting is a medical condition related to male reproductive health, though it does not pose a life-threatening danger, semen clotting negatively affects reproductive life and the ability of sperm to fertilize.

While yellow semen is not always a cause for concern, in some cases a change in semen color can be a sign of an underlying medical condition.