Plants.

10 Best Indoor Plants that are Great for your Lungs.

https://www.floweraura.com/blog/10-best-indoor-plants-for-lungs

“Breathing is the greatest pleasure in life.”

— Giovanni Papini

 In 1989, NASA performed a study regarding plants for indoor air pollution. Plants can help in the reduction of air pollutants like cigarette smoke, radon, and organic solvents by absorbing harmful toxins. In other words, how is your green thumb? The other benefit of having indoor plants is they make for nice décor.

https://ntrs.nasa.gov/citations/19930073077