Grapefruit

Swapping your apple or banana for a juicy, sweet grapefruit may help you chill out. This everyday citrus fruit is a top source of vitamin C, a nutrient that may help people better cope with bad nerves. Soothe away worries naturally by eating more vitamin C-rich produce. For a relaxing way to ease into your day, enjoy a fresh grapefruit with a scoop of low-fat cottage cheese for breakfast.

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