Director / Editor: Victor Teboul, Ph.D.

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Independent and neutral with regard to all political and religious orientations, Tolerance.ca® aims to promote awareness of the major democratic principles on which tolerance is based.

Why tiny amounts of vitamin B12 matter more as we age

By Martin Warren, Chief Scientific Officer and Group Leader, Synthetic Biology and Biosynthetic Pathways, Quadram Institute

A century after liver was found to treat pernicious anaemia, scientists are still uncovering how vitamin B12 helps blood, nerves and cells.

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