What is 1st 2nd and 3rd hand smoke?

While first-hand smoke refers to the smoke inhaled by a smoker and second-hand smoke to the exhaled smoke and other substances emanating from the burning cigarette that can get inhaled by others, third-hand smoke is the second-hand smoke that gets left on the surfaces of objects, ages over time and becomes …

What is 1st hand smoking?

First-hand smoke or vapour – inhaled by the person who smokes or vapes. Second-hand smoke or vapour – smoke or vapour that is exhaled (mainstream smoke or vapour) or the smoke that comes from the end of a burning cigarette (sidestream smoke)

Is secondhand smoke worse than first hand?

Secondhand smoke was generally believed to be more harmful than primary smoke. Mechanisms for the potency and health effects of secondhand smoke involved the smell of secondhand smoke, secondhand smoke being an infection and affecting the immune system, and personal strength being protective of secondhand smoke.

What is considered 2nd hand smoke?

What Is Secondhand Smoke? Secondhand smoke is smoke from burning tobacco products, like cigarettes, cigars, hookahs, or pipes. Secondhand smoke also is smoke that has been exhaled, or breathed out, by the person smoking.

What is sidestream smoke?

Smoke that comes from the lighted end of a burning tobacco product, such as a cigarette, pipe, or cigar. Sidestream smoke can be a form of secondhand smoke. It contains nicotine and many harmful, cancer-causing chemicals.

What the Heck is third hand smoke?

Pregnant? 3rd-Hand Smoke is a Danger to You & Baby. Second-hand smoke is when you breathe in smoke from someone else. So what the heck is third-hand smoke? That’s all of the nasty second-hand smoke that gets stuck in clothing, furniture, drapes, and any other fabrics or on top of household objects that gets progressively more toxic over time.

What is the definition of third hand smoke?

Third-hand smoke is a term used to describe the particles and gases that are left over after a cigarette is extinguished. These particles land and remain on virtually any surface in an area where someone has smoked — on clothes, in hair, on furniture, and on flooring.

What is the first hand smoke?

First Hand Smoke is what the smoker inhales directly in to the lungs. Smokers inhale approximately 15\% of the smoke from a cigarette (first hand smoke), 85\% is released in to the environment as second hand and third hand smoke. Second Hand Smoke is mainly involuntary smoking.

What are the symptoms of second hand smoke?

Respiratory symptoms (for example, coughing, sneezing, and shortness of breath) Secondhand smoke can infiltrate into other units through hallways and stairwells. Secondhand smoke can infiltrate into other units through hallways and stairwells.