Moles, also known as nevi, are flat or raised bumps that are very common and can develop on the back of the neck. Some people may have 10–40 moles on their skin. If a person notices a mole ...

This can present as inflammation with tiny red bumps, according to Dr. Jaliman. What causes ingrown hairs: When you shave or tweeze hairs and they grow back into the skin, Dr. Jaliman says ...

Some men have little bumps on their scrotum, and they're concerned. What is this? Could it be cancer? First of all, any time you want to know could something be cancer, you need to see a doctor.