smoking is important as it is a simple, inexpensive, but very effective method of extracting particles containing active agents. More importantly, generating smoke reduces the particle size to a microscopic scale thereby increasing the absorption of its active chemical principles. References Sources External links Burning Issues wood smoke Site Shedding new light on wood smoke https://www.infographicview.com/things-you-need-to-know-about-smoke.html/ 7 things you need to know about smoke detectors] Fire