Although hair loss is commonly associated with the head, it does not just occur on the scalp. Alopecia, the medical term for gradual hair loss, can occur on any part of the body as well. Hair loss can be disconcerting for cosmetic reasons, but it can also signal that something is wrong inside the body.

Eyebrow loss can occur as a result of overplucking, genetics, nutritional deficiencies or accidents such as burns. Medical treatments such as chemotherapy or changing hormones that occur during menopause and pregnancy can cause eyebrow loss as well.

A man's mustache grows just like scalp hair--from hair follicles situated in your skin. Some men grow a mustache that's thick and full, while others' are sparse and thin, just like the variations of scalp hair from one person to the next.

Muscle tension in your neck can make your day unbearable. A tight muscle in the neck can occur by twisting your neck, exercising too vigorously, sleeping with your neck in an uncomfortable position or slouching while you work or watch TV.

Warts are viral infections of the outer layer of skin that can affect children and adults. Just like molluscum contagiosum, another common skin infection, warts are usually more of a nuisance than a real health danger.

In May 2006, the Food and Drug Administration approved a vaccine, known as Zostavax, to prevent shingles in adults over 60.

Skin discoloration can be an embarrassing cosmetic concern, especially if it occurs on your face. Though you can cover up skin discoloration on other parts of your body, that's not possible. There are many things that can cause skin discoloration on the face, most of which are minor.

Hair evolves in a cycle of growth, or anagen; transition, or catagen; and resting, or telogen. During its final stage of resting, hair begins to detach from the hair follicle and fall out under the slightest pressure or pulling.

When small red bumps primarily occur on the belly, they usually are caused by an environmental factor. An allergic reaction to clothing may cause the rash or you may have picked up scabies from another person carrying the bugs.

Cold sores are red bumps that eventually become open wounds on the outer lip area and sometimes the cheek or inside the nose. The American Academy of Dermatology says that the herpes simplex virus type one is the most likely cause of cold sores, sometimes called fever blisters.

Androgenetic alopecia, also known as pattern baldness, usually begins with a receding hairline in men. Though it typically affects older adult males, a receding hairline can begin as early as the teen years.

Nipple pain is common when you begin breastfeeding and is often a natural and normal part of learning how to feed your newborn. Sometimes, however, conditions such as infections, plugged ducts or engorgement could cause sore nipples or breasts that feel warm.