Living Filters

To lower stress, many physicians recommend a relaxing hobby like gardening. But cultivating plants indoors may also lower the risk of asthma, allergies and "sick building syndrome."

The Environmental Protection Agency cites indoor air pollution as one of the top five public health threats in America, and the main culprit in the 60 percent rise in asthma over the last decade. Now researchers are looking to plants--common houseplants--for a solution to polluted indoor air.

Want the full story? Subscribers may log in here Subscribe to E (immediate access to this and all other content) Free Trial Issue (immediate access to this and all other content) Register For Free Access Order This Back Issue