Are you a hugger? A new study of twins finds that genetics play a significant role in how affectionate women are, but the same can’t be said for men. Researchers examined differences in the level of affection people express in an effort to determine how much affectionate behavior is influenced by genetics versus a person’s environment. They found that, in women, variability in affectionate behavior can be explained 45% by hereditary and 55% by environmental!

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