NO MATTER where you live, the continuing depletion of the ozone layer increases your risk of skin cancer.The World Health Organisation (WHO) says the incidence of non-melanoma and melanoma skin cancers has been increasing over the past decades. Between 2-million and 3-million non-melanoma skin cancers and 132,000 melanoma skin cancers occur globally each year, the WHO says, and one in every three cancers diagnosed is a skin cancer.A 2012 report by US scientists at the Mayo Clinic Rochester’s department of dermatology, published in Mayo Clinic Proceedings, shows sunscreens are not offering adequate protection against damaging solar rays, or putting even a dent in skin cancer rates.Now researchers have found a unique botanical extract that, taken internally, protects skin from solar damage and minimises the potentially lethal DNA mutations that occur from sun exposure.Nearly a decade of rigorous research and clinical trials has shown that the fern plant (Polypodium leucotomos) can shi...

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