Lemons reduce stress due to their vitamin C content and burn fats with lightning speed. Lemon juice with a pinch of salt every morning lowers cholesterol levels and brings your weight down. Lemons are high in antioxidants that fight off free radicals, preventing many diseases, including cancers, stroke and cardiovascular diseases. If you feel that you are getting ill, try to start curing yourself with help of lemons. Lemon helps produce antibodies in blood that attack the invading micro organism and fights the infection. Add a few drops of lemon juice in hot water to purify the liver and clear the digestive system. Lemon is one of the best fat burning foods that can help you trim down your body naturally.