Blood has always been a symbol of life and has been thought to counteract the ageing process. Mai Lam/The Conversation NY-BD-CC

Young blood: magic or medicine?

Recent scientific studies have claimed that transfusions of blood from teenagers can help delay or reverse the ageing process. Do they stack up?
We know blood is vital for life, do we know why? Illuminations: Blood Equality by Jordan Eagles (USA) Image credit: David Meanix and courtesy of artist as part of Science Gallery Melbourne’s BLOOD exhibition

Essays on blood: why do we actually have it?

Everything you never knew about the red stuff in your veins.

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