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Cancer Ribbon. Pixabay

While a high fitness level is already known to have a positive impact on conditions like heart disease, a new study suggests that adults who are more fit have the lowest risk of developing lung and colorectal cancer compared with those who have low fitness levels.

For the study, the research team examined 49,143 adults who underwent exercise stress testing from 1991-2009 and followed them for a median of 7.7 years.


Those in the highest fitness category had a 77 per cent decreased risk of developing lung cancer and 61 per cent decreased risk of developing colorectal cancer, the results showed.


Women participate in a fitness class lead by Kira Stokes, right, at NYSC Lab in New York, May 11, 2017. VOA

The study, published in the journal Cancer, showed that among individuals who developed lung cancer, those with the highest fitness had a 44 per cent decreased risk of dying during follow-up, and among adults who developed colorectal cancer, those with the highest fitness had an 89 per cent decreased risk.

“Our findings are one of the first, largest, and most diverse cohorts to look at the impact of fitness on cancer outcomes,” said Catherine Handy Marshall, Assistant Professor at Johns Hopkins University in the US.

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“Fitness testing is commonly done today for many people in conjunction with their doctors. Many people might already have these results and can be informed about the association of fitness with cancer risk in addition to what fitness levels mean for other conditions, like heart disease,” Marshall added. (IANS)


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Photo by Wikimedia Commons

Killer Smog in Delhi.

Developed by the Indian Institute of Tropical Meteorology (IITM), Pune, a Decision Support System (DSS) that extends the ability of the existing air quality early warning system (AQEWS) to have decision-making capability for air quality management in Delhi-NCR was launched on Tuesday.

The website for the DSS (https://ews.tropmet.res.in/dss/) is designed to help the Commission for Air Quality Management for NCR and Adjoining Areas (CAQM) by delivering quantitative information about the contribution of emissions from Delhi and its 19 surrounding districts; the contribution of emissions from eight different sectors in Delhi; and the contribution from biomass-burning activities in the neighbouring states.

These information would assist in managing the air quality in a timely manner, a release from the Ministry of Earth Sciences said.

The need was stated by the CAQM, which was formed by the Ministry of Environment, Forest and Climate Change, during a meeting held in January 2021.

Recently, the Commission reviewed the progress made by IITM and had in principle approved the current version of DSS for air quality management in the Delhi-NCR. The IITM has also developed a new website for DSS with the entire system made operational, the release said.

Union Minister of State for Earth Sciences, Jitendra Singh, while launching the website for AQEWS on the occasion of 'Azadi Ka Amrit Mahotsav' week organised by the Ministry of Earth Sciences, said, "DSS is a significant contribution to 'Azadi Ka Amrit Mahotsav' on behalf of MoES and IITM and suggestions are invited on this issue."

The website also has a feature whereby the users can create their own emission reduction scenarios (from 20 different districts, including Delhi) so as to examine the possible projected improvement in air quality in Delhi for the next five days.

"This information would explicitly highlight the most important emission sources responsible for the degradation of air quality in Delhi and suggest possible solutions to ameliorate the same. With a plethora of quantitative data, the AQEWS integrated with DSS could become a user-friendly tool for air-quality management in and around Delhi," the release said. (IANS/JB)

Keywords: Delhi, India, Pollution, IITM, Ministry of Earth Sciences