A romantic partner can inferior pressure levels, but experts at the College of British Columbia in Canada required to see if their scent alone could do the same thing. They recruited 96 heterosexual couples and asked the men to wear a spotless T-shirt for 24 hours, without using spray or perfumed body crops, smoke or consumption sure foods that might affect their usual scent. Men were selected to deliver sartorial examples since they tend to crop more trail, says lead novelist Marlise Hofer, a PhD scholar in the section of mind. Women, temporarily, have a obviously healthier intelligence of odor. After the blouses were damaged for 24 hours, they were cold to sanctuary any trails that remained leftward behindhand. The women in the education were then enquired to aroma a T-shirt that had also been unworn, damaged by their husband or worn by additional man they did not distinguish. Straight later, they continued assumed a fake job conference and a difficult mental arithmetic exam intended to suggest demanding feelings. They also replied queries about their pressure heights and if saliva examples to amount heights of hydrocortisone, a stress hormone.