Having houseplants can boost your mental health?

[Howard]

Having houseplants can boost your psychological and emotional well-being.  Houseplants mean indoor plants that you can keep inside your house.
Here are some of the major health benefits of houseplants
Houseplants relieves from allergies
Houseplants help you heal faster
Humidify and purify the air
Improves oxygen level in the house
Improve your mood, relax you
Helps you in concentration
Gives you good sleep
Relieves you from stress and anxiety

[ZandraJoi]

Plants can help the air quality. When the air is better, we breathe better. Which in turn helps reduce stress & anxiety. There's also something to be said about taking care of another living thing. A plant needs to be watered, fertilized, even talking to it can help the plant grow & help you in the process.