Dr Sandi Nye‘Wear sunscreen. If I could offer you only one tip for the future, sunscreen would be it.’ ~ Mary Schmich, 1997
SUN PROTECTION FACTORS
Zealous advertisers advocate sunscreen products with sun protection factors (SPFs) ranging from 15 to 100+. But how much of this is scientifically validated, and how much is spin-doctoring taking advantage of fearful and gullible consumers? Is an SPF of 100 really twice as good as one of 50, or even 30 or 15 for that matter? The short answer is no. The numbers do not compute that simply, as we will see.
SPF refers to a sunscreen’s ability to block ultraviolet B (UVB) rays, as well as to how long it would take someone to burn in the sun with and without sun protection. Some sunscreens, however, only protect us from UVB rays – those that cause superficial skin burning. They don’t block ultraviolet A (UVA) rays – the radiation that suppresses the immune system, harms connective tissue, causes deeper skin damage and elevates the risk of melanoma. In general, both UVB and UVA rays contribute to skin cancer risk.
Bu hikaye Natural Medicine South Africa dergisinin January/February 2018 sayısından alınmıştır.
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Bu hikaye Natural Medicine South Africa dergisinin January/February 2018 sayısından alınmıştır.
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A-Z For Healthy Winter Skin
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Miracle Versus Law
DR JOHN DEMARTINI, BSC, DC. www.drdemartini.com info@DrDemartini.co.za He is a leading inspirational speaker, authority on human behaviour, teacher and author. His knowledge and experience are a culmination of 35 years of research and study of more than 28 000 texts in over 200 disciplines ranging from psychology, philosophy, metaphysics and theology to neurology and physiology.
Beauty From Within
ANDREA DU PLESSIS, BSC DIETETICS, MPHIL EXERCISE SCIENCE. Twitter@andreaduplessis Andrea is a registered dietician. Following her initial career as a consulting dietitian, she furthered her studies in the field of sports nutrition with a Master’s degree in Sports Science. As nutrition expert, she has a passion for healthcare through nutrition, natural remedies and an active lifestyle.
The Case For Marijuana As HIV Medicine
Support for medicinal marijuana has reached an all-time high in many parts of the world, especially among medical practitioners. Over 70% of the elite community are in favour of the use of cannabis to lessen the effects of a large number of chronic medical conditions.
Vegan Athletes Reach Peak Performance
Plant-based foods prove their mettle as well-known athletes go vegan and reach peak performance levels.
