Q.How Is Sage Healthy For Our Well Being And Used To Improve Our Breathing?
Based on gardening and based on smudging.
Certified GKH Gardening Expert
Although sage contains many nutrients, and medicinal properties, burning and inhaling these will potentially negate any positive effects they might have, so it isn't really recommended to burn them in closed spaces.
Eating, or using infusions, as well as using sage oils in a vaporizer for your room can be a healthy option to get the effects of Sage's medicinal properties.
Here is an article for more information about Sage: https://www.gardeningknowhow.com/edible/herbs/sage/types-of-sage-plants.htm