A happy song written by the more melancholy Beatle was a popular hit from 1969. By then nearly 40 years of mounting evidence showed that sunscreen can help prevent the skin damage caused by excessive exposure to solar UV radiation. Underscored by the tones from a Moog synthesizer, George Harrison’s lyrics celebrate his emergence from a dreary winter into brighter days.
We associate summer with sun and fun, plunging in the water, relaxing and enjoying the outdoors. Yet, during the hottest part of the day, the solar irradiation is strongest. Large bodies of water, like the ocean or a pool, can reflect sunlight and intensify the hazard. Since at least the 1920s, industry has been developing sunscreens to protect our skin against sunburn. Later scientists realized they could prevent early aging and skin cancer as well. Medical advice has been that the higher the skin protection factor (SPF), the more effective the protection. But does that have other implications? By trying to block out sunrays to protect our skin, we are also blocking the very rays that stimulate our cells to produce Vitamin D3 which we need for healthy bones and a functioning immune system. The public health advisors at the CDC list 7 facts about how to use sunscreen this summer. And although dermatologists and the FDA warn that sunscreen can offer skin protection, they also state that we still need a safe way to get Vitamin D3. Like biosyn, these medical and skin professionals recommend supplementing a healthy diet with vitamins. A daily prophylactic dose of Vit D3 biosyn in gives you enough of the sun vitamin to strengthen your bones and boost your immune system. Combining this with a high SPF sunscreen means you won’t have to worry next time you start humming that famous Beatles tune.
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