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For decades, estrogen was discussed primarily as a “sex hormone.” After all, it does play a crucial role in reproductive health. Yet starting in the 1980s, the conversation shifted when emerging science suggested estrogen positively impacts brain areas linked with memory. This is the message that Jill Daniel, PhD, professor of brain science and psychology […] More

Maybe you’re a runner who strength trains to stay injury-free, a lifter who dabbles in sprinting for power, or someone who’s aiming to incorporate both cardio and resistance into your general routine—a.k.a. the original “hybrid athlete.” Regardless of your goals, if your routine involves both cardio and strength, you might wonder: Do I really need […] More