Home Health Poisonous air pollution from smoking hashish with a bong are 4 instances worse than cigarettes, research finds

Poisonous air pollution from smoking hashish with a bong are 4 instances worse than cigarettes, research finds

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Poisonous air pollution from smoking hashish with a bong are 4 instances worse than cigarettes, research finds


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You’ve got heard concerning the risks of secondhand cigarette smoke, however what about secondhand bong smoke?

The haze after a bubbly bong hit could seem innocent, however a brand new research printed Wednesday in JAMA Community Open discovered bystanders could also be inhaling air pollution at concentrations greater than twice federal air high quality limits.

Researchers on the College of California, Berkeley, measured (PM2.5) in a real-world setting the place a gaggle of younger adults socially smoked hashish with a bong for 2 hours in an extraordinary family front room. An aerosol monitor was positioned the place a nonsmoker would possibly sit, recording PM2.5 ranges earlier than, throughout and after eight periods.

They discovered residence hashish bong smoking considerably elevated PM2.5 from background ranges by at the very least 100-fold. Inside the first quarter-hour of smoking, PM2.5 concentrations surpassed air high quality ranges deemed secure by the Environmental Safety Company.

“There’s detrimental attitudes to secondhand however not likely to secondhand hashish smoke,” stated lead research writer Patton Nguyen, an industrial hygienist and a graduate of UC Berkeley Faculty of Public Well being. “What we wish this research to do is actually elucidate and assist individuals perceive that there are public well being issues.”

Effective particulate matter, or PM2.5, are tiny particles within the air that may journey deep into the respiratory tract, reaching the lungs and impacting their operate. Some research counsel long run publicity to PM2.5 could also be linked to lung and coronary heart illnesses.

Research authors stated PM2.5 concentrations from hashish bong smoking have been at the very least 4 instances larger than concentrations from secondhand tobacco smoke from cigarettes or hookah present in earlier research.

Though well being consultants say the findings are noteworthy, extra analysis is required earlier than conclusions could be made about smoking marijuana with a bong versus smoking tobacco as researchers didn’t management how a lot pot was smoked within the research.

“There’s little or no analysis on this space,” stated Dr. Silvia Martins, professor of epidemiology and director of the Substance Use Epidemiology Unit at Columbia College Mailman Faculty of Public Well being. “This (research) is among the first in a .”

Researchers be aware PM2.5 concentrations additionally took a very long time to return to pre-smoking ranges. In a single session, ranges remained at greater than 10 instances the unique focus 12 hours after the group stopped smoking.

This means individuals getting into a house hours after a bong session might nonetheless be affected by .

“It might probably truly have an effect on the well being of kids who’re close by or different individuals in fairly severe methods,” stated corresponding writer Katharine Hammond, a professor at UC Berkeley Faculty of Public Well being. “We have to get up to that.”

Though leisure hashish use is perceived by some as a innocent previous time, Hammond and Nguyen say no degree of poisons and air pollution in hashish smoke is taken into account secure.

“There are potential exposures to excessive concentrations of poisons and these toxins are related to detrimental or ,” Nguyen stated. “We actually should be aware that nonsmokers current could be uncovered.”

Home windows and doorways have been closed all through the research however he says future analysis will take a look at how air flow performs a task in PM2.5 publicity from hashish smoke.

He additionally plans to publish further information from the identical research that measured different dangerous chemical compounds and carcinogens from secondhand bong smoke.

“Our job as scientists actually is to launch this unbiased data to assist inform the general public,” Nguyen stated. “The large take-home message is secondhand hashish smoke isn’t secure and other people’s public perceptions must be addressed.”


Lengthy-term hashish use damages lungs, however differently than tobacco


Extra data:
Patton Khuu Nguyen et al, Effective Particulate Matter Publicity From Secondhand Hashish Bong Smoking, JAMA Community Open (2022). DOI: 10.1001/jamanetworkopen.2022.4744

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