DEAR DR. ROACH: My in-laws are being evaluated for infertility, and my brother-in-law has a varicocele. They say that he needs an operation. Is this necessary in order for them to have children? -- ...

The testicles need a supply of fresh blood to function correctly. It’s not difficult for the heart to pump blood into the testicles. The problem is how to get the blood in the testicles back to the ...

Gay is pain free for the first time in more than two years. At 30, the American sprinter is trying to resurrect his career after hip, groin and hamstring injuries. [File, Standard] Groin discomfort is ...