Interest in body language has risen sharply in recent years. Over the past two years, body language experts have built significant followings for their videos on YouTube. Popular among these are “The ...

Here is a crash course in improving your ability to read and use body language: 1. Realize that Body Language is Not a “Language.” In other words, there is no dictionary for nonverbal communication.

From Nicole Kidman’s wink as seductive Satine in “Moulin Rouge!” to Jeremy Strong’s visceral bathroom breakdown as Kendall on “Succession,” actors use body language to convey emotions and messages ...