Head lice are tiny insects that can live on your scalp. They’re highly contagious and can cause itching and bumps on your scalp. Scratching may also result in bleeding. If you have lice ...

Lumps and bumps can develop on the shaft, head, or base of your penis. Depending on the cause, they may look like small, red, ...

Almost all babies bump their head at some point. Although the majority of bumps are nothing to worry about, here's what ...

Pearly penile papules are small, raised, skin-colored bumps that can appear around the penis head. Anywhere between 8% to 43% of people with penises have them, and they are more common in people ...

According to the "science" of phrenology, an individual's character and abilities could be deduced from the size and shape of various bumps on the head. By the time Twain visited Fowler ...