Appeared 200 million years ago, i.e., much earlier than human mould, can be said to have conquered the world. It does not require creating special conditions and is without a summons, is only gape. Forgotten for several days in a plastic bag a piece of bread, the bruised Apple, stale in the fridge, cheese, wood, paper, paint, even a stone, dead or alive, it all feels good.The mold is a simple microscopic fungus. He does not have the ability to eat plant using sunlight, oxygen and minerals, and therefore ensures their existence, parasitic on organic compounds. There are many varieties of molds. Some are toxic and can cause poisoning. Many products, especially flour and milk, have a porous structure, which contributes to the rapid spread of the fungus. In a short time the product is affected completely. Do not attempt to save the tarnished moldth loaf or jam. Such a product should be thrown out. The only exception is hard cheese.Mold adversely affects human health. Some of its species contribute to the development of bronchitis, rhinitis, Allergy into bronchial asthma, and even the development of cancer. People weakened, seriously ill, undergoing surgery or chemotherapy, it can cause dangerous, sometimes fatal, infection.However, some types of mold have been successfully used in the production of cheese and wine. Produced by certain types of fungus secondary metabolites – antibiotics – have the ability to influence living organisms that is used in pharmacology. Mold reproduces by spores that are present literally everywhere – on land, in water, in the air and, thus, in large quantities, which explains her ability in record time to occur anywhere and everywhere. Getting in favorable conditions, it begins to proliferate actively. Has an unpleasant smell, and is able to destroy everything in its path. To the favorable conditions of mold should include increased humidity, coupled with temperatures 20 to 30 degrees. At first glance, it seems that to cope with it easy. But this is not always the case. Even repairing with the use of modern means, for example, a bathroom with black spots of mold on walls or ceilings, you can be sure that in half a year you will have to start all over again. To cope with moldYu long haul is possible only by eliminating its causes.