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Protecting Your Skin: A Comprehensive Guide to Skin Cancer Prevention and Detection

Safeguarding your skin from the sun's harmful ultraviolet (UV) rays is crucial, especially during summer. While enjoying outdoor activities, remember that nearly 20% of Americans develop skin cancer by age 70, with over two deaths occurring every hour in the U.S., according to the Skin Cancer Foundation. Just five sunburns can significantly elevate your melanoma risk.

Early detection is key, as the five-year survival rate for melanoma reaches 99% with prompt diagnosis. Regular skin checks and consistent sunscreen use are vital, regardless of skin tone. Experts emphasize that sun protection minimizes skin cancer risk and combats premature aging signs like wrinkles and age spots.

Sunscreen being poured out

Regular skin checks and consistent sunscreen application are essential for skin health. (iStock)

Frequency of Skin Cancer Checks

Dermatologists advise scheduling routine skin checks alongside your summer plans. Dr. David J. Leffell, a dermatology professor at Yale School of Medicine, recommends yearly full-body examinations, particularly for individuals with a history of sunburns, outdoor activities, fair skin, light hair, or blue/green eyes. Dr. Anthony M. Rossi, a surgeon at Memorial Sloan Kettering Cancer Center, stresses the importance of annual checks for those with personal or family histories of skin cancer, numerous moles, or new/changing skin lesions.

Woman rubbing her face

Regular skin checkups are vital, especially for certain individuals. (iStock)

Sunscreen on a store shelf

Year-round sunscreen use protects against harmful sun rays. (G Fiume/Getty Images)

Identifying Suspicious Spots

With one in five Americans expected to develop skin cancer, the American Academy of Dermatology (AAD) highlights the importance of self-skin checks. The primary types are squamous cell carcinoma, basal cell carcinoma, and the more aggressive melanoma, which accounts for most skin cancer deaths. Dr. Leffell advises checking any mole exhibiting changes in color, shape, size, or persistent sores.

Woman taking out sunscreen at the beach

Early skin cancer detection through regular dermatologist visits can be life-saving. (iStock)

man checking his skin

Regular self-skin checks can help identify potentially problematic spots. (iStock)

Performing a Self-Check

The AAD recommends a thorough self-examination using a full-length and hand mirror, including examining the entire body, underarms, palms, legs, feet, neck, scalp, back, and buttocks.

Recognizing Skin Cancer Signs

The Centers for Disease Control and Prevention (CDC) points to skin changes, such as mole alterations, non-healing sores, or new growths, as potential skin cancer indicators. The ABCDE method aids in assessing moles: Asymmetry (one side differs from the other), Border irregularity, Color unevenness, Diameter changes, and Evolving characteristics (size, shape, color).

Sunscreen vs. Sunblock

The AAD recommends applying broad-spectrum, water-resistant sunscreen with an SPF of 30 or higher every two hours, or after swimming/sweating. Dr. Rossi clarifies that "sunscreen" generally refers to products with chemical filters (avobenzone, oxybenzone), while "sunblock" utilizes mineral-based filters (zinc oxide, titanium dioxide). He favors mineral sunscreens for their broad-spectrum protection and lower irritation potential.

Woman applying sunscreen to her shoulder

Regardless of skin tone, everyone should apply sunscreen regularly when outdoors. (iStock)

Person getting back examined at the doctors

Unusual spots warrant a doctor's visit for evaluation. (iStock)

Woman squeezes sunscreen into hand

Regular sunscreen use provides numerous skin benefits. (iStock)

Sunscreen protects against skin cancer and photoaging. Dr. Rossi emphasizes UVA's ability to penetrate clouds and glass, posing a risk for hyperpigmentation. Dr. Leffell advises choosing a sunscreen that feels comfortable for regular use, recommending mineral sunscreen for those concerned about chemical ingredients. Beyond sunscreen, the AAD suggests sun-protective clothing, wide-brimmed hats, sunglasses, and seeking shade, especially during peak sun hours (10 a.m. - 2 p.m.).