You don't need to purchase an air purifier for your house. You have a built-in air purifier called the respiratory system.
lungs
Although you might think that living in an urban setting is worse for your lungs, recent data from the CDC point out that there's more Chronic Obstructive Pulmonary Disease in rural areas. Why? Possible reasons include a higher smoking rate as well as more environmental exposures.
Like a series of bad sequels, the media is back with yet another terribly botched story. This time, the claim is that using household cleaning sprays is like smoking 20 cigarettes per day. Wrong again.
A young man who recently received a lung transplant, following a terrible case of pneumonia that caused his lungs to collapse, has died. He made national headlines because his petition to receive new lungs was initially rejected because he had smoked marijuana.