Ferns are very popular houseplants and they offer beauty and health benefits. Fern also tops the list of air purifying plants in NASA study. These plants act as humidifiers and can help to restore moisture in the air so they are perfect for those who suffer from dry skin and other cold weather problems. They can also help to eliminate traces of formaldehyde and they look beautiful hanging from baskets all around the home. The Fern’s greatest asset, other than its exotic elegance, is its lifespan; if you care for this low maintenance plant it will take care of keeping your air naturally clean for a very long time.