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Articles on Biochemistry

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Breathing pure oxygen would be like fireworks exploding in your body. And that’s not always a good thing. Shutterstock

Curious Kids: what happens if you breathe pure oxygen?

You might think the more oxygen you breathe in the better. But too much oxygen can make you sick.
At a molecular level, stresses and strains can make your body clock break into a sprint. Lightspring/Shutterstock

Tick, tock… how stress speeds up your chromosomes’ ageing clock

Emerging evidence suggests that prolonged stress exposure can accelerate the ticking rate of an internal cellular clock. By doing so, stress can contribute to faster ageing and body deterioration.
Ever wondered how the small, white ibuprofen pill turns off your headache? from shutterstock.com

Explainer: how do drugs work?

Have you ever wondered how the small white ibuprofen pill turns off your headache? Or how a regular antidepressant keeps your brain chemistry in balance?
Tomas Lindahl, pictured here in the lab, along with Paul Modrich and Aziz Sancar, received the Nobel Prize for Chemistry. EPA/FACUNDO ARRIZABALAGA

Nobel Prize in Chemistry highlights how our bodies can repair our fragile DNA

The recipients of this year's Nobel Prize for Chemistry showed that DNA is far from static. Rather, it is bombarded by damaging forces, but our bodies know how to repair these precious strands.

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