That said, science does indicate that, generally speaking, straight men tend to find one particular body type the most attractive. And unsurprisingly, it all boils down to survival of the fittest.

A growing body of research on romantic attraction has focused on the importance of altruism: Men who display helping behaviors are generally perceived as more attractive than those who don't.

From clean-shaven to stubble to full beard—which type of facial hair do women think is most attractive? Scientists investigated. When it comes to your facial hair, you probably ride on either ...