Fitness basics
Learning Center
Orchitis
This inflammation of one or both testicles can cause pain and infertility. It's usually caused by a bacterial infection or the mumps virus.
Varicocele
Find out how this condition involving the enlargement of veins in the scrotum can affect sperm quality and production.
Prostate cancer screening: Should you get a PSA test?
Learn about the pros and cons of the PSA test so you're ready to talk about prostate cancer screening with your doctor.
Different types of COVID-19 vaccines: How they work
Find out how different COVID-19 vaccines cause your body to create antibodies that will fight the COVID-19 virus.
Guide to different tick species and the diseases they carry
Learn about different tick species and some of the diseases they may carry.
Healthy sperm: Improving your fertility
You can take simple steps to have healthy sperm and improve your fertility.
Penis fracture: Is it possible?
Know the symptoms of this health concern.
Prostate biopsy
Find out about this procedure that's used to diagnose prostate cancer. Learn about the risks, how to prepare and what you can expect.
Masculinizing surgery
Find out how masculinizing surgical procedures can help better align the body with a person's gender identity.
Scrotal masses
Lumps in the scrotum have various causes. Even painless lumps should be checked promptly by a health care professional.
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