Marble itself is radioactive with it is the brand that model has nothing to do, at best, a certain kind of stone radiation point, a kind of stone radiation small point only.

When buying stone must be clear stone of radioactive and harmful gas indicators, the use of indoor ventilation should also be maintained. Can only open the window ventilation, reduce the harm. Placed some plants, the air is also a point of freshness to help, pay attention to choose the appropriate indoor planted. Such as aloe vera: aloe vera has a certain absorption of odor, and there are landscaping effect. Cactus, the arrow lotus, fairy means: when the room has a TV or computer start, the negative oxygen ions will be rapidly reduced. The stomata on the fleshy stems of these plants are closed during the day and opened at night, while oxygen is released while the carbon dioxide is being absorbed, increasing the concentration of negative ions in the indoor air.

Green fruit plants bonsai: fruit is the best in addition to taste agents, such as foreign pears, oranges, melon, small pumpkin and so on. Will bring fruit plants bonsai in the new house, both environmentally friendly, fragrance and natural, but also healthy.

Clove, jasmine, rose, violet helps to sleep.

I suggest you also placed a pot of cactus next to the computer, can help the body absorb the radiation released by the computer. Because the cactus is strong in sunshine where the growth, so the ability to absorb radiation particularly strong. So let it see more light at night in addition to sleep can also turn on the lights according to it.