Most skin cancers are self-detected. If you know what changes to watch for, you’ll be more likely to find a skin cancer early. Skin cancers don’t all look the same, but there are some signs to look out for, including:

• a spot that looks and feels different from other spots on your skin
• a spot that has changed size, shape, colour or texture
• a spot that is tender or sore to touch
• a sore that doesn’t heal within a few weeks
• a sore that is itchy or bleeds.

The risk of skin cancer increases with age, but it's not uncommon for people under 30 to develop it. This is because cell DNA damage accumulates over time, which can be caused by biological processes or exposure to risk factors

The most common type of skin cancer is basal cell carcinoma (BCC)

Melanoma risk increases with exposure to UV radiation from the sun or other sources such as solariums, particularly with episodes of sunburn (especially during childhood). Melanoma risk is increased for people who have: unprotected UV radiation exposure. a history of childhood tanning and sunburn.

Practice sun safety daily Make it a habit to apply sunscreen in the morning and reapply it every two hours if you're outside. You should also wear sunscreen on cloudy days because UV rays can still damage your skin. Protect your skin Wear a wide-brimmed hat and UV-protective clothing. You can also create shade with tightly woven clothing that has a high ultraviolet protection factor (UPF) rating. Use the right sunscreen Use a broad-spectrum sunscreen with SPF 30 or higher. Apply enough sunscreen to cover your entire body, including your ears, hands, feet, and the back of your neck. Protect your lips Use lip balm with SPF or opaque lipstick to protect your lips from the sun. Examine your skin Regularly check your skin for new or suspicious moles, bumps, scaly patches, or sores. If you find anything, alert your doctor. Get regular skin cancer screenings If you've had a history of bad sunburns or have other risk factors, you should get regular skin cancer screenings.

The main cause of skin cancer is overexposure to sunlight, especially when you have sunburn and blistering. UV rays from the sun damage DNA in your skin, causing abnormal cells to form. These abnormal cells rapidly divide in a disorganized way, forming a mass of cancer cells.

Yes, it's still possible to get skin cancer even if you wear sunscreen. However, sunscreen is an important part of a sun protection strategy. When used as directed, sunscreen can:

• Reduce your risk of skin cancer and precancers
• Help prevent premature skin aging

Smoking: Smokers are more likely to develop squamous cell skin cancers, particularly on the lips. Chemical exposure: Certain chemicals, including arsenic, industrial tar, coal, paraffin and certain types of oil, may increase the risk for certain types of non-melanoma skin cancers.

Skin cancers are almost always removed by surgery. In more advanced skin cancers, some of the surrounding tissue may also be removed to make sure that all of the cancerous cells have been taken out.

Yes, skin cancer can be cured if it's found and treated early. The most common treatment is surgery to remove the cancer, but other treatments include:

• Cryotherapy: Uses liquid nitrogen to freeze and kill cancer cells. This is often used for smaller, superficial skin cancers.
• Radiotherapy: Uses high-energy radiation to kill cancer cells. This is often used for larger cancers or challenging areas where surgical procedures might be difficult.
• Ointments: Can be used to treat common skin cancers.

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