Skin cancer is one of the most common types of cancer worldwide. It occurs when the DNA in the skin cells is damaged and the cells start to grow uncontrollably.

There are several types of skin cancer, but the three most common are basal cell carcinoma, squamous cell carcinoma, and melanoma. Skin cancer is usually caused by exposure to the sun’s ultraviolet (UV) rays, but it can also be caused by other factors such as genetics and a weakened immune system.

Sign #1: A New or Changing Mole

A mole is a dark spot or irregularity on the skin that can appear anywhere on the body. Most moles are harmless, but some can develop into skin cancer. You should keep an eye on your moles and check them regularly for any changes.

If you notice a new mole or a mole that has changed in size, shape, or color, it could be a sign of skin cancer. The ABCDE rule can help you remember the signs of melanoma:.

Asymmetry: one half of the mole does not match the other half.
Border: the edges of the mole are irregular, blurred, or jagged.
Color: the mole is not uniform in color and may have shades of brown or black, with patches of pink, red, white, or blue.
Diameter: the mole is larger than a pencil eraser (about ¼ inch or 6 mm in diameter).
Evolving: the mole is changing in size, shape, or color, or is bleeding or itching.

If you have any concerns about a mole, make an appointment with a dermatologist who can assess it and, if necessary, perform a biopsy to check for skin cancer.

Sign #2: Persistent Scaly or Crusty Sores

Another sneaky sign of skin cancer is a persistent sore that does not heal and may bleed, ooze, or crust over. This type of sore is more common in squamous cell carcinoma, but it can also occur in basal cell carcinoma and some melanomas.

These sores can develop anywhere on the body, but they are most common on areas that are exposed to the sun, such as the face, scalp, ears, neck, arms, and hands.

They may start as a small, scaly or crusty patch of skin that does not go away, or they may develop into a raised bump that grows over time.

If you have a sore that does not heal within a few weeks, or if it keeps coming back, it could be a sign of skin cancer. Make an appointment with a dermatologist to have it checked out.

Preventing Skin Cancer

The best way to prevent skin cancer is to protect your skin from the sun’s UV rays. Here are some tips:.

Use a broad-spectrum sunscreen with an SPF of at least 30, and reapply every two hours or after swimming or sweating.
Avoid sun exposure during peak hours (10am-4pm), when the UV rays are the strongest.
Wear protective clothing, such as a long-sleeved shirt, hat, and sunglasses, when outdoors.
Seek shade under trees, umbrellas, or other shelter when possible.
Avoid tanning beds, which emit UV rays that can cause skin damage and increase the risk of skin cancer.

Conclusion

Skin cancer is a serious disease that can be life-threatening if not detected and treated early. The two sneaky signs of skin cancer are a new or changing mole and a persistent scaly or crusty sore.

If you notice these signs, make an appointment with a dermatologist to have them checked out. By protecting your skin from the sun and being aware of the signs of skin cancer, you can reduce your risk of developing this disease.