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Toilet paper over or under? Scientist FINALLY settles the debate

MailOnline
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Dr Primrose Freestone , professor of clinical microbiology at the University of Leicester , says the 'under' orientation is actually safer and more effective.

In the 'over' position, the next square of toilet paper is facing the user.

This increases the risk of the paper being contaminated before it reaches our nether-regions which in turn means greater risk of infection.

In contrast, you can pin the next sheet against the wall with one hand as you simultaneously tear it off.