Lemons are the most valuable of fruits, full of vitamin C, iodine, phosphorus, iron and other nutrients. A preparation of one glass of water, the juice of one lemon and a little honey is not only a nice breakfast drink, but also beneficial for ailments of the kidneys, arthritis, diabetes and heartburn. A tablespoon of lemon juice and honey is famous for soothing a sour throat. Lemon juice and lemon peel can be used with herbs in cooking. By adding a little lemon to your salad you can avoid using a more fattening dressing and cut the calories.