From sulphur to selenium, calcium to copper, here’s what your body’s made of – and why it matters

By Dan Baumgardt, Senior Lecturer, School of Psychology and Neuroscience, University of Bristol

In my youth, I spent an unreasonable amount of time questioning why A-level chemistry was a prerequisite for medical school. Why was it as essential as biology? Why did I need to learn about electrons and entropy? The penny finally dropped when my rather brilliant teachers turned my attention towards the periodic table.

Every single atom in our bodies can be found in the periodic table – from chlorine to chromium, magnesium to manganese. In fact, just…

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