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Monday Jul. 10, 2023
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Under the Sun: The Importance of UV Safety

7 Minute Read

Reviewed By: Dr. Benjamin Klein


It's that time of year again - UV Safety Awareness Month! Every July, the Skin Cancer Foundation reminds us to protect our skin from the sun's harmful ultraviolet (UV) rays. This month serves as an important reminder to practice safe sun habits and take extra precautions when exposing your skin to sunlight.

From wearing sunscreen daily to investing in protective clothing, there are many ways you can protect yourself and your family from getting burned or developing skin cancer. In this blog post, we will discuss some of the most effective methods for protecting against UV radiation and provide tips on how to stay safe all year long!

What is UV?

Ultraviolet (UV) radiation is a form of invisible light on the electromagnetic spectrum that reaches us from the sun. It’s made up of three types: UVA, UVB, and UVC. While the earth's atmosphere largely blocks UVC rays before they reach us, both UVA and UVB can penetrate our skin and harm our bodies' cells. This means it is important for all of us to take precautions against overexposure to these potentially harmful rays.

UVA radiation has longer wavelengths than UVB radiation, so it penetrates deeper into our skin but does not cause burning or tanning like UVB does. Instead, prolonged exposure to UVA can lead to premature aging, such as wrinkles and age spots, as well as an increased risk for certain types of skin cancer, including melanoma. Additionally, because it penetrates deep into our tissues, its effects may be cumulative over time, making protection especially important if you spend a lot of time outdoors in direct sunlight.

UVB radiation has shorter wavelengths than UVA, so while it doesn't penetrate quite as deeply into our skin compared with other forms of ultraviolet light, too much exposure can still cause sunburns and an increased risk of skin cancer. Additionally, while UVA radiation is present year-round, the intensity of UVB rays is at its highest between 10 a.m. and 4 p.m. during the summer months, making it particularly important to take extra precautions during these times.

Protecting Yourself From UV

One of the best ways to protect yourself from UV radiation is by wearing sunscreen. Sunscreen should be applied generously to all exposed areas of the skin, including the face, neck, ears, and hands. It is best to use a broad-spectrum sunscreen with at least SPF 30 or higher, which means it will provide protection against both UVA and UVB rays.

Sunscreen should be applied at least 20–30 minutes before sun exposure, and should be reapplied every two hours and after swimming or sweating. Additionally, it’s important to wear protective clothing such as hats, long-sleeved shirts and pants, sunglasses, and other items that can shield you from direct exposure to the sun.

Another way to stay safe is by avoiding peak sun times between 10 a.m. and 4 p.m., when UV radiation is strongest. If you must be outside during these times of day, seek shade whenever possible or take advantage of natural resources like trees or large umbrellas for extra protection. Additionally, experts suggest staying in the shade whenever possible for maximum sun safety.

In addition to physical prevention methods such as those listed above, there are also dietary measures that can help protect against UV radiation damage. Carotenoid-rich foods like carrots, sweet potatoes, kale, and spinach contain antioxidants that can boost your skin’s defenses against sun damage while also providing antioxidant benefits from within your body. Another great way to protect yourself is through supplements such as vitamin C, which may help reduce some of the negative effects associated with too much exposure to UV radiation.

Overall, taking steps to protect yourself from UV rays is essential for maintaining healthy skin throughout your life. Make sure you always use sunscreen with at least SPF 30 when outdoors during peak sunlight hours; wear protective clothing such as hats and sunglasses; limit your time in direct sunlight; seek shade when possible; and consider adding carotenoid-rich foods and vitamin C supplements into your daily routine for additional protection benefits!

Tanning Beds and Sun Lamps

Tanning beds and sun lamps are dangerous ways to get a tan, as they both utilize intense UV radiation, which can have serious impacts on long-term health. Tanning beds and sun lamps often emit UVA rays that are up to 15 times stronger than the rays of the midday summer sun. These UVA rays penetrate deeper into the skin and can cause premature aging, such as wrinkles and age spots, as well as an increased risk of developing skin cancer, including melanoma.

The use of indoor tanning devices is especially concerning for young people, as even one session in a tanning bed before the age of 35 increases their risk of developing melanoma by 75%. Furthermore, these devices provide no protection against UVB radiation, which is responsible for sunburns and is therefore more likely to cause skin cancer. Additionally, most users don’t adequately protect themselves from overexposure due to inadequate eye protection or not regularly applying sunscreen while using these devices.

In conclusion, it’s important to understand that tanning beds and sun lamps pose serious risks to your long-term health and wellness. The best way to achieve a golden glow is to get some color naturally without any harmful radiation exposure but remember to always wear sunscreen outdoors!

Getting Sun and Vitamin D

mother putting sunblock on child

Getting some sun is an important part of staying healthy, and there are plenty of ways to do it without the risks associated with overexposure. First and foremost, when outdoors, it’s important to practice safe sun habits such as wearing protective clothing, including long-sleeve shirts and pants, as well as wide-brimmed hats and sunglasses. Additionally, even though UVA radiation still carries a risk of skin cancer, limiting exposure to direct sunlight during peak hours between 10 a.m. and 4 p.m. can significantly reduce this risk.

Aside from the visible benefits of getting some sun, such as a golden glow and a relaxed feeling, another key benefit is vitamin D production. Vitamin D helps build strong bones by aiding in the absorption of calcium while also helping to reduce inflammation in the body. When exposed to ultraviolet rays from the sun, our bodies produce vitamin D naturally, which makes sunscreen an essential tool for maintaining optimal health while also reducing skin cancer risk.

For those who want to maximize their vitamin D intake without risking too much sun exposure, there are other ways to get your daily dose. Spending time outside on cloudy days or during times when UV radiation is lower (like early morning or late afternoon) can be just enough exposure to trigger vitamin D production without overdoing it. Additionally, certain foods, such as fatty fish like salmon, mackerel, tuna, cheese, and egg yolks, contain high levels of vitamin D that can be beneficial when eaten regularly. For those who are unable to get adequate amounts through diet alone, taking a daily supplement can help ensure you’re meeting your needs and protecting your bones from weakening due to inadequate vitamin D intake.

Overall, getting some sun is important for many reasons, but overexposure can lead to serious risks such as premature aging or skin cancer, so it’s essential to take precautions when spending time outdoors during peak sunlight hours, including wearing sunscreen with at least SPF 30 or higher and protective clothing such as hats and sunglasses. Furthermore, there are several other ways we can get our daily dose of vitamin D, including spending time outside on cloudy days or during lower light times; eating certain foods that contain high levels, like fatty fish; or taking a supplement if needed.

Key Takeaways

In conclusion, this month is a great time to focus on UV safety and take steps to protect your skin from the sun’s harmful ultraviolet rays. The most effective methods of protection include wearing sunscreen with at least SPF 30 or higher; wearing protective clothing such as hats, long-sleeved shirts and pants, sunglasses; avoiding peak sunlight hours between 10 a.m. and 4 p.m.; seeking shade when possible; eating carotenoid-rich foods like carrots, sweet potatoes, kale, and spinach for antioxidant benefits within our body; and adding vitamin C supplements into your daily routine for extra protection benefits. Additionally, it's important to avoid tanning beds and sun lamps, which can be dangerous due to their intense levels of UVA radiation that penetrate deeper into the skin than natural sunlight does. Remembering these key takeaways will help you stay safe all year!

Broward Health, providing service for more than 85 years, is a nationally recognized system in South Florida that offers world-class healthcare to all. The Broward Health system includes the statutory teaching hospital Broward Health Medical Center, Broward Health North, Broward Health Imperial Point, Broward Health Coral Springs, Salah Foundation Children’s Hospital, Broward Health Weston, Broward HealthPoint, Broward Health Physician Group, Broward Health Urgent Care, Broward Health International, and Broward Health Foundation. For more information, visit BrowardHealth.org.