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Condition
Cystinuria is a relatively rare disease in which people inherit an inability to process an amino acid called cystine. Excess cystine winds up in the urine, where it can lead to the formation of stones in the bladder, kidneys, and ureters. Cystine stones …
Condition
What are testicular tumors? Testicular tumors are growths on the testicle. They usually occur in the first 2 years of life or during young adulthood after boys enter puberty. The tumors in children that occur during the first 2 years of life are …
Condition
Infertility—the inability to conceive a child after one year or more of unprotected sexual intercourse– affects about 15 percent of couples. Male infertility plays a role in about half these cases. The problem may be a result of low or poor quality sperm …