Another interesting correlation has, though, been discovered by Jaroslav Flegr of Charles University in Prague.

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He has been a visiting scholar at the Central European University in Prague and at Fudan University in Shanghai and is currently professor of economics at Towson University in Maryland.

FORBES: James Dorn - International Political Economy

"Axillary odour from women in the follicular phase was rated as the most attractive and least intense, " the study's leader Dr Jan Havlicek, from Charles University in Prague, Czech Republic, said.

BBC: NEWS | Health | Woman's scent can lure or repel

And a piece of evidence that this is exactly what happens emerged this week from a research group led by Jan Havlicek of Charles University, in Prague.

ECONOMIST: Odour and mating preferences