I remember watching a TED talk by Dan Gilbert in which he claimed that there was research showing that tending houseplants improved mood (and extended lifespans, I think?) for elderly nursing home residents, but also that the longevity benefits were reversed after the houseplants were taken away?
I'm very fuzzy on the details, but in retrospect, it sounds like a bit of a cruel experiment to conduct.
I'm very fuzzy on the details, but in retrospect, it sounds like a bit of a cruel experiment to conduct.