Herbal teas have been used medicinally for centuries in China, Greece, and India. This winter, your favorite infusion can help tackle common health problems. To get the most of prepackaged tea bags, use two bags and cover the cup with a saucer to trap essential oils. With loose herbs, measure two tablespoons into an 8-ounce cup, add hot water, and cover with a lid. Steep for 15 minutes then strain.

Sore throat: Ginger, licorice, marshmallow, slippery elm

Indigestion: Chamomile, cardamom, fennel, licorice, peppermint

Insomnia: Chamomile, hops, lavender, lemon balm, passionflower, skullcap, valerian

Stress: Catnip, chamomile, kava kava, lavender, lemon balm, passionflower, skullcap

Colds and flu: Astragalus, Echinacea, elderberry, ginger, rose hips

Energy: Ginseng, green tea, yerba mate