fruits and human body

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carrot eyes slice a carrot and it looks just like an eye, its a clear clue to the importance this everyday veg has for vision. carrots get their orange colour from a plant chemical called betacarotene, which reduces the risk of developing cataracts. the chemical also protects against macular degeneration an age- related sight problem that affects one in four over-65s. it is the most common cause of blindness. but popping a betacarotene pill doesnt have the same effects. ginger stomach root ginger, commonly sold in supermarket, often looks just like the stomach. so its intresting that one of its biggest benefits is aiding digestion. the chinese have been using it for over 2,000 years to calm the stomach and cure nausea, while it is also a popular remedy for motion sickness. but the benefits could go much further. banana (smile) depression cheer yourself up and put a smile on your face by eating a banana. the popular fruit contains a protein called tryptohan. once it has been digested, tryptophan than gets converted in a chemical neurotransmitter called serotonin. this is one of the most important mood-regulating chemicals in the brain and most anti-depressant drugs work by adjusting levels of serotonin production. higher levels are associated with better moods. mushroom ear slice a mushroom in half and it resembles the shape of the human ear. and guess what? adding it to your cooking could actually improve your hearing . thats because mushrooms are one of the few foods in our diet that contain vitamins d. this particular vitamin is important for healthy bones, even the tiny ones in the ear that transmit sound to the brain.