Cortisol, the stress hormone, ages the skin and can cause acne. Sleep reduces the cortisol level in your body. So it's a simple equation: Sleep = younger, clearer skin.
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If you've strolled the beauty aisles lately, you've probably noticed a growing number of devices that glow, vibrate, and heat up to keep your skin smooth, clean, and blemish-free. How effective are they? We asked dermatologists for their verdicts.
Hanna Rosin, the author of The End of Men, a fascinating book about the 21st-century rise of women, tells us what we need to know in order to thrive professionally.
Celebrity facialist Kate Somerville says our feelings often visibly affect our skin.
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