To understand how to treat your heat-damaged hair, you need to understand the biology of hair. First off, hair is dead. You cannot repair something that isn’t living. Hair is made up of the same protein as our fingernails -- keratin. Just as a fingernail can chip and crack, hair can easily be damaged.

It may seem odd or even uncouth to examine your stool. Your stools, however, often reveal health problems you might otherwise miss. Before you flush, note changes in your stool and tell your doctor about unusual odors or composition, particularly if you see blood.

Neck pain and stiffness can make daily life difficult and even prevent your ability to work or function. Resolving neck pain may require long-term treatment and the joint efforts of many health care providers, including medical doctors, chiropractors and licensed massage therapists.

Fungal infection of the toenail is called onychomycosis. The affected toenail might have white patches, change to a brown or yellowish color and begin to flake, chip or thicken. Toenail fungus can lead to onycholysis, which is the separation of the infected nail from the nail bed.

Collagen is a protein that's important for the skin. There are a number of different types of collagen. The amount and quality of collagen in your skin significantly affects your appearance. Soluble collagen is designed to easily pass through the skin’s pores.

The debate goes on in 2010: it seems that scientists and consumers continue to disagree that certain foods can prevent or cause acne and the brown spots that follow as scarring.

Lax muscles, excess fat and aging all contribute to that unsightly, loose skin that's often referred to as a turkey wattle. This excess skin hanging from your neck can give away your age or add years to your appearance. Often, costly cosmetic procedures are the only way to get rid of the loose skin.

Shaving abruptly and bluntly cuts off hair at the skin of the scalp or in close proximity to the scalp. Although the style appears clean cut and neat initially, it becomes frizzy and unstylish within a few weeks. Several things contribute to awkward hair growth after shaving your head.

Deep forehead wrinkles are much like any other wrinkle on the face. As you grow older, your skin thins and loses its elasticity. Couple this with repeated facial expressions, and you begin to develop wrinkles and folds along your forehead and in other areas of the face.

Dermatologists use Botox injections to reduce the appearance of wrinkles on the face. According to MayoClinic.com, Botox is derived from the botulism bacteria that causes food poisoning. After receiving a Botox injection, facial muscle cannot tighten, which causes skin to look smoother and tighter.

An occasional drink while out with friends may not affect you much, but continually abusing alcohol will show on your face the next morning and possibly in the long term. Alcohol can do a number on your skin, making it look dry, dull and patchy.

Massage was once considered a luxury—something you’d enjoy at a spa or health club. However, the benefit of a massage is now considered a more mainstream therapy and is often recommended by doctors and other medical professionals. The Mayo Clinic staff recognizes massage as part of an overall wellness program.