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Skin Cancer Prevention: What You Need to Know

6 Mins read

If you’re looking forward to spending more time in the sunshine this summer, it’s crucial that you look after the largest organ in your body: Your skin.

While afternoons on the beach and backyard BBQs are fun, more time spent in the sun means more risk of exposure to sunburns, sun damage, and skin cancer.

Skin cancer is one of the most common types of cancer in the world. It’s important to note that anyone can get cancer, no matter how little sun you think your corner of the world might get. Between 2016 and 2018, there were 2,333 deaths caused by skin cancer melanoma in the UK. Thankfully, researchers also found that 86% of skin cancer cases are preventable.

To help you have more fun in the sun (without the risk), we’re going to explore some of the most important facts you need to know about skin cancer, and how you can protect yourself against it.

Skin Cancer: An Introduction to Melanomas and Carcinomas

Skin cancer is the most common form of cancer in the UK, with around 100,000 new cases reported every year, and it’s also among the most common cancers worldwide. This cancer happens when the cells in your body begin to grow abnormally. There are many different kinds of skin cancer, and they’re often named based on the specific cells involved in your condition. Some of the most common types include:

  • Basal cell carcinoma: Basal cell carcinoma is the kind of cancer that grows in the basal cells. These are found in the outermost layer of your skin. This is the slowest-growing form of skin cancer.
  • Squamous cell carcinoma: Squamous cell carcinomas form in the squamous cells, which also appear on the surface of your skin. These cancers appear as scaly, red lesions, which often aren’t life threatening but can become dangerous without treatment.
  • Melanoma: When cancer develops in the melanocytes (the cells in your skin responsible for pigmentation), it’s called a melanoma. This is the most dangerous advancement of skin cancer, and it’s more likely to spread than the other types.

Skin Cancer Risk Factors: What Causes Skin Cancer?

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Your skin is the largest organ in your body. The various layers are designed to protect you from the elements of the outside world. These potentially harmful elements include sunlight, cold winds, heat, and bacteria. Your skin is composed of two protective outer layers responsible for keeping you safe: the dermis and epidermis.

The epidermis is made up of various cells, including melanocytes, squamous cells, and basal cells. The dermis is the layer that contains all your hair follicles, blood, glands, and other things. When the cells in your epidermis are exposed to specific cancer-causing chemicals and ultraviolet (UV) rays, they develop abnormal DNA. This abnormal DNA causes the growth of your cancer cells.

Notably, you may also have a higher risk of skin cancer if you have:

  • A history of skin cancer or other cancers in your life
  • A family history of skin cancer
  • Fair skin – skin damage is more likely to happen in people with fair skin
  • A lot of moles on your skin – the more moles you have, the higher your risk for melanoma
  • Weakened immune system or chronic medical condition affecting your immunity
  • Activities or career responsibilities which involve spending a lot of time exposed to the sun.

Is Skin Cancer Connected to Genetics?

In rare circumstances, genetics can also play a role in your skin cancer likelihood.

Notably, around 1 in every 10 patients diagnosed with skin cancer will also have a family member with the disease. Compared to people with no history of melanoma in their family, each person with a first-degree relative with the condition (someone in your immediate family) has a higher likelihood of developing the disease.

When someone is diagnosed with melanoma, doctors often recommend close relatives be examined too. If you know someone in your family who has had skin cancer, it might be worth learning more about your genetics, and the risks you’re exposed to, with a DNA test.

There’s even a specific kind of genetic melanoma, called Familial Atypical Multiple Mole Melanoma Syndrome. This basically means if you have a history of skin cancer in your family and a lot of atypical moles, then you’re more likely to get skin cancer.

In the case of some familial cases of skin cancer, researchers have even discovered DNA changes in tumour suppressor genes like BAP1 and CDKN2A, which prevent the genes from doing the regular job of controlling cell growth and protecting cells.

Skin Cancer Prevention: What Can You Do?

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While it’s true that some kinds of cancer can have a genetic component, there are ways to protect yourself from various preventable forms of skin cancer. For instance, you should:

Get Screenings Regularly

Regular screenings with your doctor are a great way to learn about things like vitamin deficiencies, impending health problems and impending risks. If you’re worried about skin cancer or know you have a history of it in your family, you can schedule regular screening checks with a dermatologist. These professionals can assess the areas of your skin that may be exposed to cancer.

A dermatologist can also check any growths, moles, or skin changes which may indicate an impending problem. If any mole has suspicious features, it may be possible to remove it for safety purposes.

Protect Yourself From the Sun

Spending time in the sun can be healthy, but only if you know how to protect yourself.

Wearing sunscreen and other forms of sun protection are essential. If you’re going to be in direct sunlight, it’s best to choose sunscreen with an SPF of at least 50. Here’s a tip for those who burn easily: choose a higher SPF for better coverage.

If you want to prevent possible health risks associated with sun exposure, it’s important to choose a broad-spectrum sunscreen – this is something that can protect you from both UVA and UVB rays. The UVA rays of the sun have longer wavelengths, while UVB rays are shorter, but can cause burns, age spots, and even a higher chance of wrinkles.

Reapply your sun protection every 2 hours, or more often if you get wet. Besides that, keep an eye on the expiry date – sunscreen does expire.

Practice Sun Safety

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The sun is a lot more powerful than most people realise. Exposure to sun rays can damage your skin within as little as 15 minutes. This is why it’s so important to have the right protection. Aside from wearing sunscreen, make sure you also take the following safety measures:

  • Wear sunglasses: Sunglasses protect your vision and prevent the delicate skin around your eyes from being exposed to dangerous UVB and UVA rays.
  • Seek shade or use an umbrella: If you’re going to be spending a lot of time outdoors, seek out some shade. Try not to be in direct sunlight too much between 10 am and 3 pm.
  • Wear appropriate clothing: If you’re going to be outside in the sun for extended periods of time, look for clothes that can cover your skin. Breathable materials are best.

Wearing a hat is also a great safety measure, as it helps to protect the delicate skin on your face. Wide-brimmed hats offer the most protection.

Avoid Tanning Beds

Tanning beds can be particularly dangerous if you’re worried about preventing skin cancer. According to over 20 studies, the risk of certain melanomas increases by 75% when you use a tanning bed regularly before the age of 30.

Embrace your natural skin colour or consider using sunless tanning methods. These include a spray tan, airbrush tan, or an organic self-tanning mousse. 

What’s a Skin Cancer Prevention Diet?

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Sometimes, adding more of the right vitamins and minerals to your diet can also help to protect you from various health problems – including skin cancer. Research shows that products high in retinol can increase the creation of skin cells, which may prevent this particular cancer. However, Retinol also makes your skin more sensitive to sun exposure, so be careful.

A type of vitamin B called Niacinamide is also effective at reducing the risk of various skin cancers. According to some research, this substance can build skin proteins and moisture, while reducing inflammation. Additionally, there are various antioxidants which can improve your skin protection strategy, such as:

  • Beta Carotene in carrots, sweet potatoes, and mangoes
  • Lycopene in watermelon, tomatoes, grapefruit, and guava
  • Omega-3 fatty acids in fatty fish, flaxseed, and walnuts
  • Vitamin D in cod liver oil and fortified foods
  • Polyphenols in black or green tea
  • Selenium in Brazil nuts, chicken, and grass-fed beef
  • Vitamin C in oranges, limes, lemons, and broccoli
  • Vitamin E in almonds, sunflower seeds, and nuts
  • Zinc in beef, shellfish, and chickpeas

These substances offer various benefits to fight against skin cancer, such as stronger immune system functioning, improved DNA protection, and defence against free radicals. Although eating these foods doesn’t negate the need for sunscreen, they can definitely help give you a protective boost.

Be Sun-Safe this Summer

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As exciting as time in the summer can be, it’s important to be aware of skin cancer risks, and the steps you can take to prevent it. Follow the steps in this article to help protect your skin and remember to check yourself regularly for any signs of abnormal, asymmetrical, or unfamiliar moles and marks.

If you see evidence of an odd shape or colour on your skin, contact your doctor and ask for it to be checked out. The faster you diagnose skin cancer, the easier it is to treat.

To get a comprehensive health report that includes your cancer and disease risk based on your DNA, and your skin condition risks based on your DNA, order your CircleDNA kit here.

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The editorial team behind CircleMagazine, dedicated to bringing you bite-size health tips, real-life health stories and the latest genetic-related findings at this digital health hub.
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