Your body's two calf muscles--gastrocnemius and soleus--help you walk, run and jump. Because of their unique anatomy and because of the way they act on your knee and ankle joints, your calf muscles are extremely powerful and can perform an incredible amount of work. But what happens when you sustain a calf injury?

Chapped lips are more than just annoying, they can be downright dangerous. The tiny cracks and fissures in the lips can harbor bacteria and cause infection.

Scars can turn different colors, such as purple, red, pink or blue, for a variety of reasons. Sometimes, it depends upon where the scar is located and what caused the scar. When a scar is healing, it can change greatly from its original appearance to what the permanent scar will look like.

If decades pass as you struggle with an oil-slick complexion, it’s time to admit it may be a lifelong battle. Although hormones and heredity control how long your face stays oily, you can successfully stop the shine.

A dark shadow above your upper lip is unsightly and embarrassing. Whether it's the result of a hormone change, sun exposure or hair removal practices, the goal is the same: get rid of the shadow for a smoother, more even appearance.

Facial fat may be difficult to burn off using diet and exercise because spot fat burning is not possible. Facial fat can only be reduced naturally by reducing general body fat. In some cases, medical intervention is required to achieve the desired results.

Like the hair on your head, eyelashes follow a growth rate pattern. If your eyelashes fall out or are damaged by mascara, plucking or dyeing, you have to wait for them to regrow. While the length and health of your eyelashes is determined by genetics, there are certain natural ways to make your eyelashes grow.

Lemon juice highlights are a natural way to lighten your hair color. By applying lemon juice directly onto the hair (or diluted with water for a less striking effect) and then sitting in the sun, your hair will get lighter. It's less expensive than salons and you don't have to worry about artificial chemicals.

Many pregnant women don't realize the facial creams they use could cause birth defects or damage the development of their unborn baby. Unfortunately, this is a possibility.

Large facial oil glands are likely to occur in people with oily skin and big pores. Oil glands are usually microscopic and not noticeable but, in some people, they can turn into little tumors called sebaceous hyperplasia papules.

Acne can occur on any skin type, including on skin that is dry and sensitive. Due to the delicate nature of dry, sensitive, and acne-prone skin, over-the-counter products should be avoided and replaced with gentle, natural products.

Hairspray is a cosmetic product designed to hold hair in place. There are many different brands and formulations available, each containing a different blend of ingredients.