Cacti happen in a wide range of shapes and sizes. They display many adaptations for conserving water which makes them excellent house plants requiring little attention.
Succulents sometimes known as fat plants from over 60 different plant families make excellent house plants. Not needing a lot of care can flourish for many years. They are a wonderful addition to any home.
NASA studies at Stennis Space Center, private studies by Biosphere 2 in Arizona and USSR studies in Siberia have documented the potential benefits for improving indoor air quality with the presence of common household plants.