Arizona's sunshine is one of the reasons so many people choose to live in Sun City — but it is also one of the biggest environmental risks for your skin. Our state sits at a latitude and elevation that put the UV index among the highest in the nation, especially from late spring through early fall. For seniors, that risk is compounded by decades of cumulative sun exposure and by age-related changes that make skin more fragile and slower to heal.
Skin cancer is the most common cancer in the United States, and it is also one of the most preventable. The good news is that a few consistent habits and an eye for warning signs can make a meaningful difference. This guide is written for Sun City residents who want practical, local advice they can start using today.
The ABCDE Rule: Know Your Warning Signs
Catching skin cancer early starts with knowing what to look for. The ABCDE rule is a simple framework for evaluating moles and spots:
- A — Asymmetry. If you draw a line through a mole, the two halves should generally look the same. Asymmetry — one side that looks different from the other — is a warning sign.
- B — Border irregularity. Benign moles usually have smooth, even borders. A spot with notched, scalloped, or poorly defined edges warrants attention.
- C — Color variation. Normal moles are usually one shade of brown. A lesion with multiple colors — brown, black, tan, red, white, or blue — should be checked.
- D — Diameter. Melanomas are often larger than a pencil eraser, about 6 millimeters across, though they can be smaller when first detected.
- E — Evolving. Any change in size, shape, color, elevation, or symptoms such as bleeding, itching, or crusting is a reason to schedule an evaluation.
The ABCDE rule is most useful for melanoma, but it is worth remembering that the other common skin cancers — basal cell and squamous cell carcinoma — may look different. They can appear as pearly bumps, scaly patches, or sores that do not heal. When in doubt, let a clinician take a look.
Sun Protection in the Desert: Beyond Sunscreen
Sunscreen is important, but it is not enough by itself in an Arizona summer. A layered approach works better:
- Use broad-spectrum SPF 30 or higher. Broad-spectrum means it blocks both UVA and UVB rays. Apply generously to all exposed skin, including ears, neck, hands, and the tops of feet.
- Reapply every two hours. More often if you are swimming or sweating. A single morning application does not last through a full round of golf or gardening session.
- Wear UPF-rated clothing. Long-sleeve sun shirts and wide-brim hats with at least a 3-inch brim provide better protection than sunscreen alone. Look for UPF 50+ for the best coverage.
- Seek shade during peak hours. UV radiation is strongest between 10 a.m. and 4 p.m. Plan walks, yard work, and outdoor activities for early morning or late afternoon when possible.
- Protect your car. Arizona drivers spend a lot of time in the car. Consider UV-blocking window film for side and rear windows to cut down on cumulative exposure during daily errands.
- Check the UV index daily. A UV index of 6 or higher means you can burn in as little as 15 to 25 minutes. Use it to decide how aggressively you need to protect yourself.
Clouds do not block most UV rays. Even on partly cloudy days, you can get a significant dose of radiation, especially at our elevation and latitude. Make sun protection a daily habit, not just a beach-day habit.
When to See a Doctor
Regular skin checks are one of the simplest preventive steps you can take. I recommend a full-body skin exam at least once a year for adults over 50, or more frequently if you have a history of skin cancer, unusual moles, or significant past sun exposure.
You should also schedule an appointment promptly if you notice:
- A mole or spot that is changing, bleeding, or not healing
- A new growth that appears after age 50
- A rough, scaly patch that persists or returns
- A sore that bleeds, oozes, or crusts and does not heal within a few weeks
At Pinnacle Health, I can evaluate skin concerns during your routine visit, review your risk factors, and refer you to a dermatologist when a specialist's expertise is needed. Early detection is what makes skin cancer so treatable.
Pinnacle Health Is Here to Help
Skin cancer prevention fits naturally into the preventive care we provide. Whether you are due for a Medicare wellness visit, have a spot you are worried about, or just want help building a sun protection plan, we are here. We accept most insurance plans, including Medicare, and same-day appointments are often available.
If you have questions about a mole, a changing spot, or your overall skin health, call us at (623) 295-2952 or schedule a visit through Healow.
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