5 white sage smudge stick. Some known Benefits of Burning Sage Burning sage involves burning sage leaves and letting the smoke purify the air in your home and cleanses all negative energy , room, office, etc. Poor air quality may be linked to various health conditions. burning sage is seen as a cost-effective way to help purify the air. This is because sage is thought to have antimicrobial properties that help kill bacteria, viruses, and fungi. Keep in mind that burning sage creates smoke, which can cause health problems for individuals who are prone to asthma and other respiratory conditions.In addition to burning sage, some people use sage cleansing sprays in their homes. Benefits of burning sage are believe to include: Removing bacteria from the air Repelling insects Improving intuition Purifying specific objects Improving mood and reducing stress and anxiety