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A survey of American adults found that many erroneously believe it is safer for the lungs to smoke weed than tobacco, and that any secondhand smoke from marijuana is also safer.
Cannabis smoke contains thousands of organic and inorganic chemical compounds. This tar is chemically similar to that found in tobacco smoke or cigars. [28] Over fifty known carcinogens have been identified in cannabis smoke. [29] These include nitrosamines, reactive aldehydes, and polycylic hydrocarbons, including benz[a]pyrene. [30]
A 2012 review of cannabis use and dependency in the United States by Danovitch et al said that "42% of persons over age 12 have used cannabis at least once in their lifetime, 11.5% have used within the past year, and 1.8% have met diagnostic criteria for cannabis abuse or dependence within the past year. Among individuals who have ever used ...
A study published in the Journal of the American Medical Association found while cigarette smoke damaged lungs, moderate marijuana smokers showed greater lung capacities than non-users.
What are effects of smoking marijuana on the lungs? Marijuana could cause a type of emphysema more than tobacco smoking, new study finds. Smoking marijuana can raise risk of lung disease, chest ...
Vaping-associated pulmonary injury (VAPI), [4] also known as vaping-associated lung injury (VALI) [1] or e-cigarette, or vaping, product use associated lung injury (E/VALI), [2] [a] is an umbrella term, [15] [16] used to describe lung diseases associated with the use of vaping products that can be severe and life-threatening. [3]
A cloud of marijuana smoke rises as a clock hits 4:20 p.m. during the Mile High 420 Festival in Denver on "weed day" in 2022. - Patrick T. Fallon/AFP/Getty Images/File
The original cold weather clothing was made of furs. The fibers of the fur trapped insulating air, lanolin on the fur repelled water. Knitted wool is an effective insulator when dry, but ineffective when wet. Goose down is the lightest insulator, and still used today. Its quality, called loft is a measure of its low density. It is ineffective ...