Body Image - Confident Women - Be Confident - Oprah.comResearch has shown that "power poses," like standing tall with shoulders pulled back, chin up and not tucked into your chest, can boost your levels of testosterone (the hormone linked to having a sense of power and self-confidence) and lower the levels of the stress hormone cortisol. (In photos, this power pose helps you avoid looking like you have a double chin).
As a young surgeon, Peter Attia felt contempt for a patient with diabetes. She was overweight, he thought, and thus responsible for the fact that she needed a foot amputation. But years later, Attia received an unpleasant medical surprise.