Cranberries contain a substance that appears to keep bacteria from sticking to the walls of the urinary tract and has been shown to help prevent UTIs. Because cranberry cocktail is high in sugar, drink unsweetened juice diluted with water or take capsules of powdered cranberry extract.

If you suffer from dry eyes, up your seafood intake. Salmon, sardines, and mackerel contain omega-3 fatty acids, which the body uses to produce tears, among other things. Research suggests that people who consume higher amounts of these fats are less likely to have dry eyes.

According to some research, catching a whiff of this aromatic herb may increase alertness and improve memory. To stay sharp, try smelling fresh rosemary or inhaling the scent of rosemary essential oil before a test or meeting.

The volatile oils in ginger have long made it a useful herbal remedy for nasal and chest congestion. Pour 2 cups of boiling water over a 1-inch piece of peeled, grated ginger; steep for 10 minutes; and strain. Add a pinch or two of cayenne pepper to the water and drink as needed.