Anal skin tags are non-cancerous growths of excess skin appearing near the opening of the anus. They are sometimes associated with other anorectal problems, including hemorrhoids. Typically, anal skin tags don't present with any other symptoms.

Approximately 90 percent of hair is in the growth phase, while 10 percent is in a resting or dormant stage at any given time. After the resting phase, hair strands fall out and new ones grow in. Daily hair loss of around 50 to 100 hairs per day is typical.

Always use sunscreen when you spend time outside. But if you fail to do so, you can take steps to help reduce the redness of sunburn, as well as decrease the chances of permanently damaging your skin. Skin that has already incurred damage from the sun may have hyperpigmentation or age spots, says More magazine.

Fever blisters, also known as cold sores, are caused by the herpes simplex 1 virus. The virus lies dormant in your body and is usually kept in check by your immune system until something, such as an illness or stress, weakens your system and triggers an outbreak.

Heat rash—also called prickly heat—causes red, itchy bumps on your skin. It is often a result of exercising in hot, humid weather. Infants, owing to their immature sweat glands, are also susceptible.

Toning the muscles in your body is an effective method to improve your appearance. Doctors and other experienced professionals often recommend strength-training activities, such as weightlifting, to add muscle mass and to improve bone strength and balance that otherwise diminish as you age.

Stretch marks appear in a variety of colors and shapes. Some may be pink or red and leave indentations in the skin. Others may be just purplish streaks. Whatever the appearance, stretch marks can be concerning. Especially when the cause is not known.

The body has two different kinds of sweat glands: eccrine glands, which cool the body with perspiration, and apocrine glands, which are triggered by emotional stimuli. Eccrine glands are found all over the body.

Vitamin D is a fat-soluble vitamin that helps the body absorb calcium and enables healthy bone mineralization. Other important functions of the nutrient include staving off certain cancers and heart disease. Vitamin D also seems to have skin-soothing properties.

If you have dandruff or buildup on the scalp, the symptoms of both are easy to spot: Your head itches and flakes of dead skin are snowing from your scalp into your hair and onto your shoulders.

Cold sores are caused by herpes simplex I virus and usually form on the lips. They can, however, also form on the nose. According to Medline Plus, the virus is highly contagious, and more than half the U.S. population is exposed by the age of 20. Cold sores can last a week or longer, and there is currently no cure.

If you expose your skin to high heat, such as a boiling pot of water or a hot automobile part on your car, your skin may become burned and leave you with a painful, tender wound. Your skin will naturally heal itself over time, but the proper after-care and treatment can help accelerate healing and skin re-growth.