Cranberry juice is good for urinary tract infections. Why? Because the juice inhibits a type of bacteria that clings to the wall of the bladder and causes infection.Carrots are good for your eyes. Carrots and some other fruits and vegetables contain beta carotene, which can reduce the chance of eye disease. One carrot a day can help prevent macular degeneration, which eventually leads to blindness.arttoday.comChicken soup fights congestion that comes with a cold. Chicken has an amino acid that thins the mucous lining of the sinuses, thus relieving stuffiness.Garlic and onions kill flu and cold viruses.Fish is good for your brain. The mineral zinc is found in fish and shellfish. Studies show that even a minimal deficiency of zinc impairs thinking and memory.Blueberries fight the bacteria that causes diarrhea.Bananas are a natural antacid. They soothe heartburn or gastric distress.Spinach is good for your spirits. It contains lots of folic acid. If your body doesn’t have enough folic acid, you may feel depressed.Ginger root fights nausea caused by motion sickness and relieves migraine headaches. Make a tea of fresh ginger root by simmering it in water for ten minutes.Eat onions to fight insomnia. Onions contain a mild natural sedative called quercetin.Yogurt with acidophilus fights the bacteria that causes vaginal yeast infections.