What is the PSA Test?

The prostate is a walnut-sized gland located below the bladder in a man’s reproductive system. This gland plays a role in semen production and helps propel sperm in the process of reproduction. The prostate produces a substance known as prostate-specific antigen, which is a protein. Low levels of PSA [...]

What is the PSA Test?

The prostate is a walnut-sized gland located below the bladder in a man’s reproductive system. This gland plays a role in semen production and helps propel sperm in the process of reproduction. The prostate produces a substance known as prostate-specific antigen, which is a protein. Low levels of PSA [...]