New York, Aug 13: While the popularity of hookah (tobacco pipe) has increased in recent years, researchers say it may be more dangerous than other forms of smoking tobacco.

Using a custom-built testing device, the researchers analysed emissions during a typical hookah session and found that one draw from a pipe contained as many noxious substances as a cigarette.

Hookah mainstream smoke, which is directly inhaled, has many toxic and harmful chemicals, like nicotine that can lead to tobacco addiction, irritating carbonyl compounds, and benzine, a known carcinogen,” said study lead author Veronique Perraud from University of California.

“Due to the greater volume inhaled in every puff and the longer duration of a smoking session, the hookah often delivers a higher dose of those chemicals to the smoker,” Perraud said.

It also produced large quantity of carbon monoxide, mainly from the burning of charcoal to heat the tobacco or herbal mixture in its bowl. The study, published in journal Aerosol Science and Technology, also referred to several cases of carbon monoxide intoxication.

In addition to testing ordinary tobacco, the group also studied a nicotine-free herbal mixture, marketed as a healthier alternative, and discovered that it produced even higher levels of toxic gases.

The study is the first to characterise ultra-fine particles (with a diameter smaller than 100 nanometers) in the inhaled smoke.

The researchers measured the chemical composition of gases and solids emitted during a hookah session in real time. “Through our technique of testing emissions in the beginning, midpoint and end of a smoking session, we were able to show that a smoker is exposed to a higher quantity of ultra-fine particles during the first 10 minutes compared with the rest of the session,” she said.

According to the study, these miniscule particles can pose significant health risks by making their way deep into the pulmonary system and by readily crossing the blood-brain barrier.

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Kolkata, May 2: West Bengal Governor C V Ananda Bose on Thursday said he will not be cowed down by “engineered narratives” and the "truth shall triumph” after TMC leaders claimed that a woman working at Raj Bhavan levelled allegations of molestation against him.

In a statement, the Governor said, “Truth shall triumph. I refuse to be cowed down by engineered narratives. If anybody wants some election benefits by maligning me, God bless them. But they cannot stop my fight against corruption and violence in Bengal,”

To the Raj Bhavan staff "who expressed solidarity with him following some derogatory narratives that were circulated by two disgruntled employees as agents of political parties," a communication by Raj Bhawan said.

The Governor’s statement came after senior TMC leaders claimed this evening in a series of social media posts that the woman, who had levelled the allegations, has been taken to a police station to complain against Bose.

Though police sources said they received a verbal complaint, there was no official word on whether a formal complaint had been registered.

“BIG. Bengal governor CV Ananda Bose was accused of molesting a woman. How utterly appalling and Horrifying. Ahead of @narendramodi visit to Kolkata who is supposed to stay overnight at Raj Bhavan, a woman has alleged that she was molested while she went to meet the Governor at Raj Bhavan today. The complainant has been taken to the Hare Street police station for filing a complaint. The woman has accused the Governor of molesting her. Shocking and disgraceful,” TMC Rajya Sabha MP Sagarika Ghose said in a post on X.

Fellow TMC MP Saket Gokhale also posted on his X account regarding the issue.

West Bengal Women and Child Development Minister Shashi Panja said it is “shameful” that the Governor has maligned his post and has used it to “torture a woman”.

“It is appalling and shocking to see such an incident. This is the same Governor who had reached out to Sandeshkhali to talk about women’s rights and Nari Shakti. This is shameful that the Governor sought undue advantages in the pretext of giving her a permanent job. We want Prime Minister Narendra Modi who will be addressing rallies in Bengal tomorrow to react on this issue,” she said.

According to sources in the Governor's House, the "woman employee with the help of her alleged boyfriend who is also an employee of the Raj Bhavan was blocking complaints (from people) being sent to the Election Commission of India.

"When she was reprimanded for that, she went outside and alleged molestation. She is in the habit of throwing tantrums against her colleagues because of some disease," a Raj Bhavan official said.

The West Bengal Governor and the TMC government have shared an acrimonious relationship since he assumed office in November 2022 and had several run-ins on various issues.

The BJP said it has to be seen whether this a “conspiracy by the TMC” or has an “iota of truth in it”.

“We all know that the TMC is politically cornered on the issue of SSC scam and is looking for a breathing space. So this needs to be seen whether this is a conspiracy by the TMC or it has any iota of truth in it,” BJP leader Suvendu Adhikari said.