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The Energy Crisis

Tonight's the big night, and you've been cooking, cooking, cooking all day long.

Since certain areas of the brain that process smell and emotion are linked, some scents can have a mood-boosting effect. For an instant uplift, spritz on a fragrance containing notes of peppermint or rosemary, which studies have shown can increase alertness. For an extra boost before your guests arrive, try a scent with hints of grapefruit, which may help alleviate several negative emotional states, including fatigue, tension and agitation.