Ringworm is a highly contagious fungal infection that develops on the top layer of skin. It has nothing to do with an actual worm; the name comes from the circular lesion that develops at the site of infection. Symptoms of ringworm include itching and redness.

Numbness and tingling can occur anywhere in the body, but they are most often felt on skin of the fingers, hands, feet, arms and legs, according to MedlinePlus. Numbness is decreased or lost sensation.

Itchy skin can be uncomfortable and have a number of causes, including dry skin, allergies, eczema, lice, hives, chickenpox, anemia, cancer, pregnancy, allergic reactions and nerve disorders. Scratching is likely your first instinct when you have an itch. Scratching often provides temporary relief.

If your scalp is extremely dry, you might notice a buildup of flakes on your scalp, in your hair and even on your clothes, especially after scratching. Dandruff is a very common condition that many people suffer from at some point in their lives.

Eczema, also called dermatitis, refers to variety of skin conditions, according to Medline Plus. Eczema is not a dangerous or contagious skin condition, but it typically causes red, swollen and itchy skin. The most common type of eczema is atopic dermatitis, an allergic condition that makes the skin dry and itchy.

Excess weight in the feet is contained right below the surface of the skin. In comparison to visceral fat, which forms around the organs in the stomach, this type of fat, called subcutaneous fat, is benign. Unfortunately, having chubby feet can still take its toll on self-esteem, especially during the summertime.

Testosterone, an androgen male hormone, is present in both males and females. The testicles produce testosterone in men and the ovaries are in charge of female testosterone production. Testosterone is essential for the normal development of sex characteristics in males, and fertility in both genders.

Brushing your hair a hundred strokes a day won't give you healthier hair. In fact, over-brushing encourages hair damage and hair loss, says the American Academy of Dermatology. Your hair brush is a simple, necessary tool to tame tresses into the right style as you blow-dry.

An aspirin peel contains salicylic acid that may help reduce excessive oil and acne. A citrus juice and gelatin peel will firm and tone while the antioxidants in the citrus juice will protect and nourish the skin. Both will exfoliate and rejuvenate the skin by removing dead, dry skin cells.

Vitamins play a key part in staying healthy -- and your skin is no exception. As the main ingredient in retinol, Vitamin A has a pivotal role in skin health by clearing out clogged pores, smoothing the skin tone and boosting collagen production to reduce the appearance of fine lines.

The Academy of General Dentistry reports that 30 percent of Americans suffer from fever blisters, which are sometimes also referred to as cold sores or oral herpes. A fever blister usually ruptures spontaneously after four days, leaving behind a shallow pink ulcer that “weeps” highly infectious clear fluid.

Dehydroepiandrosterone, or DHEA, is a hormone the body produces naturally and that also can be synthesized in the laboratory for an over-the-counter supplement. DHEA has many potential benefits, although research is insufficient to support many of the proposed uses, according to the U.S.