Coupled with a yearly skin exam by a doctor, self-examination of your skin once a month is the best way to detect the early warning signs of basal cell carcinoma , squamous cell carcinoma, and malignant melanoma, the three main types of skin cancer. Look for a new growth or any skin change.

What you'll need: a bright light; a full-length mirror; a hand mirror; two chairs or stools; a blow-dryer.

Examine head and face, using one or both mirrors. Use blow-dryer to inspect scalp.

Check hands, including nails. In full-length mirror, examine elbows, arms, underarms.

Focus on neck, chest, torso. Women: Check under breasts.

With back to the mirror, use hand mirror to inspect back of neck, shoulders, upper arms, back, buttocks, legs.

Sitting down, check legs and feet, including soles, heels, and nails. Use hand mirror to examine genitals.

Melanoma, the deadliest form of skin cancer, is especially hard to stop once it has spread (metastasized) to other parts of the body. But it can be readily treated in its earliest stages.

What To Look For: The ABCD's of Moles and Melanoma