It's not clear why stress and exhaustion can cause dandruff, but it may have something to do with the body's production of the hormone cortisol. "When this hormone is elevated, the body is more susceptible to illness and rashes, including inflammatory conditions like acne, psoriasis, and seborrheic dermatitis," says Krant. So try to relax and aim for 8 hours of sleep.
Mad Men's Charming Rogue
The man who played Roger Sterling, is moving on – surfing in Montauk, hanging with his son, and directing a feature film.
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