Skin cancer is the most common cancer in the United States, with an estimated 5 million cases diagnosed each year. In fact, approximately one in five Americans will develop skin cancer by age 70. While these statistics are concerning, there is encouraging news – skin cancer is one of the most preventable forms of cancer. Most cases are caused by overexposure to ultraviolet (UV) rays from the sun or artificial sources such as tanning beds and sunlamps. Over time, UV exposure damages skin cells, accelerating skin aging and increasing the risk of cancer. Understanding the warning signs and taking steps to protect your skin can help reduce your risk and improve outcomes through early detection.

Understanding the Different Types of Skin Cancer

Skin cancer begins in the epidermis, the outer layer of the skin. The three most common types are:

– Basal Cell Carcinoma (BCC): The most common form of skin cancer, BCC often appears as a shiny bump, open sore, scar-like area, or red patch. While it rarely spreads to other parts of the body, it can cause significant tissue damage if left untreated.
– Squamous Cell Carcinoma (SCC): The second most common type, SCC, may appear as a scaly red patch, wart-like growth, or sore that crusts or bleeds. If not detected early, it has the potential to spread.
– Melanoma: Although less common, melanoma is the deadliest form of skin cancer because it can spread quickly to other organs. When caught early, however, the five-year survival rate is approximately 90%.

Know the Warning Signs

A change in your skin is often the first sign of skin cancer. This may include a new growth or spot; a sore that does not heal; a mole that changes in size, shape, or color; or an area that becomes itchy, tender, painful, crusty, or bleeds.

For melanoma, remember the ABCDEs:

– A – Asymmetry: One half does not match the other.
– B – Border: Edges are irregular, ragged, or blurred.
– C – Color: Multiple colors or uneven coloring.
– D – Diameter: Larger than approximately the size of a pea.
– E – Evolving: Changes in appearance over time.

Regular self-checks are important because skin cancer can develop anywhere on the body, including areas that receive little sun exposure. If you notice any suspicious changes, schedule an evaluation with your healthcare provider.

Who Is at Risk?

Anyone can develop skin cancer – even those with darker skin tones – but certain factors increase risk, including: fair skin that burns or freckles easily; blue or green eyes; blonde or red hair; a large number of moles; personal or family history of skin cancer; frequent sunburns or tanning bed use; extensive outdoor UV exposure; older age; and a weakened immune system. Having five or more sunburns during your lifetime can double your risk of developing melanoma.

Protecting Your Skin Every Day

Sun protection is important year-round, not just during the summer months. UV rays can penetrate clouds and reflect off surfaces such as water, sand, concrete, and even snow. Even on cool or overcast days, UV exposure can accumulate over time, making daily sun protection one of the simplest and most effective ways to reduce your risk of skin cancer. Whether you’re gardening, walking the dog, attending a sporting event, or simply running errands, making sun protection part of your daily routine can help protect your skin for years to come. It’s also important to remember that a tan is not a sign of good health, and a “base tan” for sun protection is a myth. Any change in skin color after UV exposure indicates skin damage.

To reduce your risk:

– Use a broad-spectrum sunscreen with SPF 30 or higher.
– Reapply sunscreen every two hours and after swimming or sweating.
– Wear a wide-brimmed hat and UV-blocking sunglasses.
– Choose lightweight clothing that covers exposed skin.
– Seek shade, especially between 10:00 AM and 4:00 PM.
– Avoid indoor tanning beds and sunlamps.

The Importance of Early Screening and Detection

For individuals with risk factors, regular skin cancer screenings can play an important role in early detection. During screening, a healthcare provider examines the skin for abnormal moles, growths, precancerous lesions, and other signs of skin cancer. If a suspicious area is identified, a biopsy may be recommended to determine whether cancer cells are present. When skin cancer is detected early, treatment is often simpler, less invasive, and highly successful.

Preventive care is the cornerstone of long-term wellness, and protecting your skin is one of the simplest ways to put that philosophy into practice. By practicing daily sun protection, performing regular skin self-checks, and seeking medical evaluation when you notice changes, you can significantly reduce your risk of skin cancer. When detected early, most skin cancers are highly treatable, making prevention and early detection your best defense.