Our blood is red because of something called haemoglobin, which helps carry oxygen around our bodies.
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Articles on Veins
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For the majority of patients, blood collections are not a problem, just a minor inconvenience. Others may feel uneasy and anxious about the process.
The science behind why crossing your legs while sitting could be detrimental to your health.
Blood is red, but our veins are blue. Or are they?
Surgical techniques for varicose veins are becoming more refined, but not all cases require surgery. Lifestyle changes can help.
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Adjunct Professor, School of Public Health, University of Technology Sydney
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Caroline Robinson is a Friend of The Conversation.
Associate Professor Podiatry, Charles Sturt University
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Associate Professor of Medical Sciences, University of Wollongong
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Professor and Director of the Clinical Anatomy Learning Centre, Lancaster University
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Senior lecturer in Laboratory Medicine , RMIT University
