Skin cancer, the most common type of cancer, results from the abnormal and uncontrollable growth of skin cells. Skin cancers can affect many parts of the body, such as the trunk, legs, arms and face and most often affect areas exposed to the sun.

You can measure the severity of road rash by degree, much like you measure burns. First-degree road rash presents with skin redness and needs no treatment. Second-degree road rash results when the outer layer of skin breaks but can heal itself with minimal scarring.

Some people seem to get stretch marks at the slightest sign of weight gain, while others have resilient skin that resists all stretching.

Sore in the mouth, fever and blisters either in or around the mouth or on other parts of the body can cause extreme discomfort and difficulty eating or drinking.

You’re probably very aware of any unfamiliar bumps on your scalp — after all, you’re performing a self-examination every time you shampoo your hair. If you feel a strange bump or growth on your scalp, it’s a good idea to see your doctor.

Pimples around the mouth in adult women are often diagnosed as acne, but many times it's actually perioral dermatitis. Perioral dermatitis is an acne-like eruption that presents as red bumps on the chin and mouth. Like dermatitis, the skin can be red, scaly and itchy; like acne, it can have pimples.

Contact with honey is sometimes avoided due to its sweet, sticky nature, but for centuries honey has been used for its healing properties on wounds and rashes.

Cold sores, sometimes known as fever blisters, appear around the mouth, on the lips or on the gums. Highly contagious, cold sores are a common medical condition caused by a virus in the herpes family. The first symptoms of a cold sore include tingling, itching and burning.

Eczema is skin condition characterized by rashes, red patches, itchiness, flaking, blisters and other manifestations on the skin. Eczema comes in different forms, such as atopic dermatitis, dyshidrotic eczema or nummular eczema, and might be caused by allergies, dry skin and other factors.

Fever blisters--also known as cold sores--are a symptom of infection with the herpes simplex virus. The American Social Health Association reports that up to 90 percent of Americans carry the virus. One-third experience periodic outbreaks that are sometimes accompanied by flu-like symptoms.

Accutane is a prescription vitamin A solution used to control oil on the skin and promote skin renewal as a treatment for nodular acne.

Capillaries are the smallest blood vessels in the body, delivering nutrients and oxygen to body organs and whisking away chemical waste products. Capillaries are very thin and fragile, moving blood along a single blood cell at a time.