How do the chemicals in sunscreen protect our skin from damage?
Energy from the sun's rays can cause skin damage and cancers. Sunscreens can absorb or reflect the dangerous UV light. Here's how it works.
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Articles on Free radicals
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13 ways to get more antioxidants this year (and why you need to)
We hear about the benefits of antioxidants, but who knows what they really do? Actually, quite a lot. They repair cellular damage caused by trouble-making free radicals.
Do you really need a detox?
The human body is a comprehensive, self-mending, self-detoxing apparatus that will perform its tasks regardless of whether you're undertaking a rigid detox cure, or a gourmet food and wine marathon.
Why antioxidants might actually make your cancer worse
New research suggests that far from helping treatment, antioxidants can change cancer cells to make them spread more quickly.
Health Check: the untrue story of antioxidants vs free radicals
Antioxidants are a commonly promoted feature of health foods and supplements. They’re portrayed as the good forces that fight free radicals – nasty molecules causing damage thought to hasten ageing and…
Top contributors
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Research & Teaching Academic, The University of Queensland
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Associate Professor, Human Molecular Nutrition, University of Newcastle
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Emma Beckett is a Friend of The Conversation.
Postdoctoral Fellow (Human Molecular Nutrition), School of Medicine and Public Health, University of Newcastle
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Head of the Tumour Plasticity Lab, King's College London
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Postdoctoral Research Fellow in Nutrition, Georgia State University
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Research Chemist, University of California, Riverside
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