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Are you standing or sitting up straight right now? You should strive to be, since having good posture is an indication of how healthy you are mentally and physically. I asked Lindsay Newitter, who teaches the Alexander Technique, a method of holding and moving the body without tension, to give us some advice on how to achieve better posture.
Smile, don't slouch, and don't cross your arms. Your parents probably taught you to use certain body language to appear friendly and polite. But new research shows that your body language does much more than just change the way other people see you -- it can even change how you see yourself. Psychologists describe this phenomenon as "embodied cognition." Just watch the latest video in our Talk Nerdy series above to learn more.