Cucumber is an annual plant of the Pumpkin family. The native land of cucumbers are China and India, where they were cultivated more than 2000 years ago and still grow in the wild. Currently, the cucumber is one of the most popular and famous vegetables in the world, grown almost in all corners of the planet. Despite the fact that the cucumber almost completely consists of water, it has a lot of useful properties and, with regular use, it has a beneficial effect on health. Of course, we are talking about fresh cucumbers. Unfortunately, like most food products, cucumbers have some contraindications to eating. Cucumbers are 95% water. They also contain fiber, sugars, proteins, vitamins C, PP, group B, iodine, potassium, iron, phosphorus, magnesium and other useful substances.