Majority of Muslims in India are descendants of Hindus, says BJP MP

Feb 14: R K Pachauri, a former chief of The Energy and Resources Institute, passed away on Thursday after a prolonged cardiac ailment, TERI Director General Ajay Mathur said.

He was 79.

"It is with immense sadness that we announce the passing away of R K Pachauri, the founder Director of TERI. The entire TERI family stands with the family of Dr Pachauri in this hour of grief," Mathur said in a statement issued by the TERI.

"TERI is what it is because of Dr Pachauri's untiring perseverance. He played a pivotal role in growing this institution, and making it a premier global organisation in the sustainability space," said Mathur, who succeeded Pachauri at TERI in 2015. Pachauri was admitted to Escorts Heart Institute in the national capital where he underwent open heart surgery and was put on life support on Tuesday, sources said.

In the statement issued by TERI, its Chairman Nitin Desai hailed Pachauri's contribution to global sustainable development as "unparalleled".

New Delhi, May 15: Union Health Minister Harsh Vardhan has appealed to all states and Union Territories to ban the sale of smokeless tobacco products and spitting in public places in line with the orders of the Rajasthan and Jharkhand governments to prevent the spread of coronavirus infection.

In a letter to all state health ministers, Vardhan said smokeless tobacco users have a tendency to spit in public places or otherwise and therefore, increase health risks especially those of spreading contagious diseases like COVID-19, tuberculosis, swine flu, encephalitis and others.

"Use of smokeless tobacco also creates an unhygienic environment which further spreads the diseases. The large gathering at the retail outlets where smokeless tobacco products are sold, also pose the risk of spread of COVID-19," he said.

In the letter dated May 11, the Union minister underlined that tobacco use is a major threat to public health globally. He also mentioned the Indian Council of Medical Research's (ICMR) appeal to the public not to consume and spit smokeless tobacco products in public places.

Chewing tobacco products and areca nut increases the production of saliva followed by a very strong urge to spit. Spitting in public places could enhance the spread of the COVID-19, Vardhan said.

"By banning spitting in public places, states and UTs can help in achieving not only Swachh Bharat but also Swasth Bharat (Clean India and Healthy India)," he said.

Vardhan also mentioned the May 1 guidelines issued by the Union Home Ministry under the National Disaster Management Act, 2005, which stipulate that "spitting in public places shall be punishable with fine as may be prescribed by the state/UT local authority and consumption of liquor, pan, gutkha, tobacco etc in public places is not allowed".

Appreciating the efforts of Rajasthan and Jharkhand in this direction, the Union Health Minister urged all states to take similar measures and create widespread awareness regarding the harm of spitting in public places.

The Rajasthan government had by an ordinance banned spinning in public places and sale of paan, gutka and tobacco in the wake of the coronavirus outbreak. The Jharkhand too has imposed a complete ban on all types of tobacco products to prevent spitting in public places that could increase the spread of coronavirus infection.

"I am happy to note that the governments of Jharkhand and Rajasthan have already completely banned the sale of tobacco products and spitting in public places. Therefore, I urge upon you to take similar measures and also create widespread awareness in your state/ UT regarding harms of spitting in public places.

"It is also requested that the directions of Ministry of Home Affairs in this regard may be implemented scrupulously and effectively," Vardhan said in the letter.

Tobacco smoking is a known risk factor for many respiratory infections and increases the severity of related diseases. A review of studies by public health experts convened by WHO on April 29 found that smokers are more likely to develop severe diseases, compared to non-smokers, said Binoy Mathew, senior programme officer of Voluntary Health Association of India.

It is one of the main risk factors for a number of chronic ailments, including cancer, lung and cardiovascular diseases, he said, adding that according to the Global Adult Tobacco Survey, with 268 million or 28.6 per cent of all adults in India, the country has the second largest number of tobacco users in the world.

At least 12 lakh die from tobacco-related diseases every year, Mathew said.

Those keen to quit smoking and smokeless products can avail of free of charge telephone-based services launched by the government. The Ministry of Health has set up a National Tobacco Quit Line Services to provide counselling services to help tobacco consumers quit the habit.

London, May 20: The current physical distancing guidelines of 6 feet may be insufficient to prevent COVID-19 transmission, according to a study which says a mild cough in low wind speeds can propel saliva droplets by as much as 18 feet.

Researchers, including those from the University of Nicosia in Cyprus, said a good baseline for studying the airborne transmission of viruses, like the one behind the COVID-19 pandemic, is a deeper understanding of how particles travel through the air when people cough.

In the study, published in the journal Physics of Fluids, they said even with a slight breeze of about four kilometres per hour (kph), saliva travels 18 feet in 5 seconds.

"The droplet cloud will affect both adults and children of different heights," said study co-author Dimitris Drikakis from the University of Nicosia.

According to the scientists, shorter adults and children could be at higher risk if they are located within the trajectory of the saliva droplets.

They said saliva is a complex fluid, which travels suspended in a bulk of surrounding air released by a cough, adding that many factors affect how saliva droplets travel in the air.

These factors, the study noted, include the size and number of droplets, how they interact with one another and the surrounding air as they disperse and evaporate, how heat and mass are transferred, and the humidity and temperature of the surrounding air.

In the study, the scientists created a computer simulation to examine the state of every saliva droplet moving through the air in front of a coughing person.

The model considered the effects of humidity, dispersion force, interactions of molecules of saliva and air, and how the droplets change from liquid to vapour and evaporate, along with a grid representing the space in front of a coughing person.

Each grid, the scientists said, holds information about variables like pressure, fluid velocity, temperature, droplet mass, and droplet position.

The study analysed the fates of nearly 1,008 simulated saliva droplets, and solved as many as 3.7 million equations.

"The purpose of the mathematical modelling and simulation is to take into account all the real coupling or interaction mechanisms that may take place between the main bulk fluid flow and the saliva droplets, and between the saliva droplets themselves," explained Talib Dbouk, another co-author of the study.

However, the researchers added that further studies are needed to determine the effect of ground surface temperature on the behaviour of saliva in air.

They also believe that indoor environments, especially ones with air conditioning, may significantly affect the particle movement through air.

This work is important since it concerns safety distance guidelines, and advances the understanding of the transmission of airborne diseases, Drikakis said.