Definition of spinach 
 The spinach plant originating in the China Greens, are cultivated for the consumption of the leaves that have a great taste. The  spinach leaves are consumed cooked, both single steam, as part of other  preparations such as omelettes, soufflés, pastes, creams and soups  fillers. This vegetable is rich in antioxidants  such as beta carotene, vitamin C and vitamin K, is also a good source of  iron and magnesium, has also a large amount of fiber that helps improve  the intestinal transit, as well as to reduce the risk of cardiovascular  disease with a very low content of calories, which reach about 20 per  10 g of spinach leaves. 
 Eating spinach has several beneficial health effects 
 The great variety of nutrients that contain spinach contribute to  prevent and control a large number of disorders that include: lesions of  the skin. The high content of beta carotene make  to increase levels of vitamin A in the body that helps promote skin  repair processes, protecting her as well as injuries caused by the Sun's  rays. Disorders of vision. The  carotenoids are precursors of the production process of eye pigments,  essential for night vision, it will also be seen that they retard the  onset of degenerative processes such as cataracts and macular  degeneration. Diseases of the locomotor apparatus. Spinach  are rich in vitamin c, is needed for the body to produce collagen, the  main protein of supporting tissue that is located in the bones,  ligaments and tendons as well as skin. Respiratory diseases. Another  great benefit of spinach is to stimulate the immune system to the time  that contribute to repairing the damage in the tissue lining the airway,  known as epithelium, which makes to decrease the frequency of attacks  of diseases such as asthma and chronic bronchitis. 
 If you suffer from gout you should avoid spinach 
 As already explained previously, spinach are vegetables with lots of  benefits for the health, but also contain a substance called oxalic  acid, compound to join the minerals such as calcium and iron form  oxalates. The calcium oxalate precipitate in the  renal tubules, giving rise to the renal grit and the most common form of  kidney stones, the calcium oxalate stones. Iron oxalates are capable of precipitating in joints producing disorders such as gout, a form of painful arthritis. Alcoholic beverages contain oxalates iron reason that gout can be triggered by ingestion of drinks such as beer and wine.