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.

Yes, men have a biological clock too. But it’s not just age that affects male fertility

By Theresa Larkin, Associate Professor of Medical Sciences, University of Wollongong

Men’s sperm numbers and fertility also decline with age. If you’re planning to have kids in the future, here’s what you need to know.

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