From houselogic,com Scientists agree that houseplants likely improve your outlook. Research suggests that plants have a positive effect on stress reduction, pain tolerance, and physical discomfort — but environmental psychologists aren’t exactly sure why this happens. It could be that plants simply make a room more colorful and attractive. Or, an indoor brush with nature may provide the same natural high and stress relief people feel in the great outdoors. There’s even a name for the phenomenon — biophilia (a love for nature) — and entire buildings have been designed to recreate it.
Keeping all those green guys alive is good for you, too. Research has shown taking care of plants can increase a sense of well-being and reduce stress.