Why the onion garlic food has been forbidden?

The most famous for not eating onion and garlic The legend is that the nectar coming out of the ocean, Mohini form Dhare Vishnu when God was dividing the gods; Then a monster came and sat down. God he He also gave the nectar as a deity. But then the sun and moon told them that this is a monster. Lord Vishnu immediately Separate his head from the fuselage. But in the face of Rahu Amrit was reached, so his face became immortal. On Lord Krishna cut Rahu's head after cutting Some drops of nectar from head fell on the ground, from which onion And garlic yield. Since these two sziyas are strained from the drops of nectar, hence it is possible to treat diseases and pathogens Eliminates in destroying the same but because it The monsters have fallen through the mouth, hence they have a strong smell And these are unholy people who have ever been in God's pleasure Not used. It is said that whatever onion And the garlic eats his body becomes stronger like the body of monsters who eat garlic and onions, his mind (Along with the whole body becomes tamasic nature. Meditation does not seem to be in the hymn. The total ban on garlic is therefore prohibited in the food articles .....