Here, we examine the most frequent fabrications, how to spot them in others' profiles and why they're not worth including in yours.1.Height Both sexes tell tall tales, but men are more than twice as likely to (literally) stretch the truth.Twenty-two percent of guys and 10% of women in the Beautiful poll admitted to fibbing here. The UW/Cornell study measured participants in person and found more than 50% were untruthful about their heights in their online profiles, with guys fibbing "significantly more." Who can blame them?

The UW/Cornell study found women and men subtract 8.5 and 1.5 pounds, respectively, on average.

Rather than be dishonest, skip over the weight question, recommends Ettin, who points out that people carry their pounds differently.

Instead, Ettin suggests truthfully answering the body type question, which most sites ask with a dropdown menu of limited options like "slender" and "stocky."3.

Think his online dating profile sounds too good to be true?

There's reason to be suspect: Most people are dishonest on dating sites.

In fact, a study conducted by researchers at the University of Wisconsin-Madison and Cornell University found that 80% of online daters lie about their height, weight or age.The older you are, though, the less likely you are to fib, according to a study commissioned by Beautiful People.com, an online dating site where users are voted into the community.And a study from dating site Ok Cupid confirms taller men receive more messages.The same study shows shorter women get the attention, so it's ill-advised to pad your numbers.2.Weight "People lie to embellish themselves, but not be liars," says Catalina Toma, Ph D, an assistant professor of communication science who conducted the UW/Cornell study."Weight fluctuates to some degree," which is why it's a popular characteristic about which to fib.