![Daniel McKay](https://emhealth.org/wp-content/uploads/sites/2/2023/01/Daniel-McKay.jpeg)
The arrival of summer brings longer days, warmer temperatures, and a heightened desire to spend time outdoors. However, with the increased exposure to sunlight comes a greater risk of skin damage due to ultraviolet (UV) radiation. July, recognized as Sarcoma and UV Awareness Month, is an opportune time to highlight the critical importance of sunscreen in protecting against these risks.
UV radiation, primarily from the sun, is a significant factor in the development of skin cancer. There are three types of UV rays: UVA, UVB, and UVC. While UVC rays are absorbed by the earth’s atmosphere and do not reach us, UVA and UVB rays penetrate the skin, causing immediate and long-term damage. UVA rays penetrate deeply, contributing to premature aging and wrinkles, while UVB rays are responsible for sunburn. Both types can damage the DNA in skin cells, leading to skin cancer.
Sarcoma, a type of cancer that arises from connective tissues such as bones, muscles and fat, can also be linked to UV exposure, particularly when it comes to certain skin sarcomas. While sarcomas are relatively rare compared to other skin cancers, their impact is profound, often requiring extensive treatment and surgery.
Sunscreen acts as a critical barrier against UV radiation. By absorbing, reflecting, or scattering sunlight, sunscreen helps protect the skin from harmful rays. Here’s why regular sunscreen use is essential:
- Prevents Skin Cancer: Regular use of sunscreen can significantly reduce the risk of developing skin cancer, including melanoma, which is the deadliest form of skin cancer. Studies have shown that consistent application can lower the incidence of melanoma by up to 50%.
- Prevents Sunburn: Sunburn is not just a temporary discomfort; it is a sign of DNA damage in the skin. Frequent sunburns, especially during childhood, increase the risk of skin cancer later in life.
- Prevents Premature Aging: UVA rays are notorious for causing photo aging, which includes wrinkles, loss of skin elasticity, and pigmentation. Sunscreen helps maintain a youthful appearance by blocking these damaging rays.
- Protects Against Hyperpigmentation: Sunscreen helps prevent dark spots and uneven skin tone caused by UV exposure.
When selecting sunscreen, it’s essential to consider several factors. Be sure and check for broad-spectrum protection (UVA and UVB rays), SPF of at least 30 and water resistance. To maximize protection, apply sunscreen generously to all exposed skin 15 minutes before going outside. Don’t forget often-missed areas such as the ears, back of the neck, and tops of the feet. Reapply every two hours, or more frequently if swimming or sweating.
While sunscreen is a powerful tool in protecting your skin, it should be part of a broader sun safety strategy. This includes wearing protective clothing, wide-brimmed hats, and sunglasses, seeking shade during peak sun hours (10 a.m. to 4 p.m.) and avoiding tanning beds.
Sunscreen is an indispensable part of a healthy skincare regimen, offering vital protection against the harmful effects of UV radiation. By incorporating sunscreen into your daily routine and practicing comprehensive sun safety, you can enjoy the summer sun while safeguarding your skin’s health. This July, take the opportunity to educate yourself and others about the life-saving benefits of sunscreen, making every month a UV awareness month in practice.