cortisol

Nostalgia, stress hormone, health

How nostalgia affects your stress hormones

Remember that mixtape from high school? The smell of grandma’s kitchen? That summer vacation when everything felt perfect? Turns out those rose-colored memories aren’t just

night owl, midnight, sleep

How your sleep patterns shape your weight

That tendency to stay up late might be affecting more than just your morning mood. Growing research suggests your natural sleep chronotype, whether you’re an

voice, thyroid, hormones

What your voice pitch says about your hormones

That distinctive sound of your voice—whether it’s high and lilting or deep and resonant—reveals far more about your body chemistry than you might realize. While