Nutrition Articles

Summer Skin Care Tips
Joy Lasseter, Ph.D. Nutritionist, Speaker, Author

            When our wet and gray winters end we emerge blinking at the brightness and ready to play outside! Yet caution is required for our skin and eye health.
            Let’s clear some confusion. There are about 1500 different types of rays in sunshine. Ultra Violet (UV) is radiation from the sun. UV radiation penetrates and damages the skin's cellular DNA. Excessive amounts of UV can contribute to skin cancer: Basal Cell carcinoma, Squamous Cell carcinoma and Melanoma, (the deadliest skin cancer), according to the Skin Cancer Foundation.
3 Types of UV:    
            UVA is most prevalent, (95% exposure) present during all daylight hours, year round, with almost equal intensity. It can penetrate clouds and glass windows. It plays a role in skin aging and wrinkling and damages DNA. This is the dominant tanning ray in sunshine and is used in tanning salon lamps.
            UVB causes redness and sunburn. Intensity varies during the year and time of day. Highest amount hits April to October, 10 am to 4 pm. UVB can damage our skin year round. Especially at high altitudes, reflecting from water or snow, but they don't penetrate glass.
            UVC doesn't penetrate earth's atmosphere.
            For protection stay in the shade, wear clothing that prevents sun penetration, a broad brimmed hat. Also wear UV blocking sunglasses.
            All sunscreens are not alike. The Sun Protective Factor (SPF) measures how long it would take to redden skin, compared to not wearing any. It doesn't ultimately protect from UV damage. Use the higher numbers 15 to 50 for longer screening of UV rays.
            Ingredients are another factor. You will want the product to delay UVA1, UVA2 and UVB rays damaging effects. There are chemical and physical type ingredients. Titanium Dioxide and Zinc Oxide physically reflect the rays away from the skin. Only zinc oxide blocks UVA1, UVA2 and UVB
            All the others are chemical and only these 3 block both UVA2 and UVB: dioxybenzone, Oxbenzone and Sullisobenzone.
            With the ozone layer thinner, it is more dangerous and less healthy to try to make Vitamin D from sunshine on your bare skin. You could get skin cancer instead! I recommend taking high quality supplements: Vitamin D3, Vitamin E, Vitamin C, Vitamin A, zinc and selenium.

            My recommended foods include: salmon, mackerel, herring, avocados, walnuts, sunflower seeds, sweet potatoes, yams, red or yellow bell peppers, broccoli, tomatoes, dark chocolate and green tea.

Enjoy your summer!

Disclaimer – Do you have a disease or use medications? Follow your doctor’s recommendation for your condition. Dr. Joy custom designs nutrition programs for individuals, provides seminars for companies and conferences, teaches nutrition workshops and sells high quality Metagenics medical and functional food supplements. (Click "Why Supplements" tab for more info.)

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