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Dr. Jeffrey Laitman joins WIRED to break down how our organs and body parts age from head to toe. From hearing and hair loss ...

Tricep extension reverse lunge: Here you’ll grab both, or one dumbbell and do a tricep extension, before raising the weight and holding it against your chest and completing a reverse lunge, switching ...

Giving kids the right information can help them understand, appreciate, and respect themselves and others. Your kid is going to be really curious about bodies at this age. They’re old enough to start ...