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Plyometric training involves short, intense bursts of activity that target fast-twitch muscle fibers in the lower body that generate power for increased speed and jumping height. Doing plyometric exercises can boost strength, power, and agility.

Not only is our face our calling card to the world, its features evolved to mount immune system defenses, help ward off illness, and protect us in many ways. Our eyes, nose, mouth, and facial structure itself all contribute to our continued well-being.

Denial is a natural response at times when you’re unable or unwilling to face the facts. As a defense mechanism, it can be helpful or harmful. Here's how to spot it in yourself and others, and how to move from denial toward meaningful change.