Like most health-conscious people, I’m absolutely obsessive about applying sunscreen before spending a day in the sun. But when I’m dashing out to walk my dog or run to the store, I have to admit I can be a bit haphazard about coverage. I’ll swipe a high-SPF on my face and then quickly spray my arms and legs, just hoping I covered my bases. And I know I’m not the only one. But when we speed-slather, are we botching our coverage? It’s crucial to make sure we’re doing SPF right, because “daily, consistent sunscreen use has been shown to reduce the risk of melanoma and squamous cell carcinoma,” says Tiffany J. Libby, MD, director of Mohs Micrographic and Dermatologic Surgery at Brown Dermatology in Providence, Rhode Island. “It’s also the No. 1 anti-aging intervention, as up to 80% to 90% of visible skin aging is driven by UV exposure.” But sunscreen does the job only if you apply it thoroughly, adds Joshua Zeichner, MD, as...
Are very important for every healthy life,healthy society, public health, healthy country and healthy world.