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Pollution raises risk of dementia

Published

9 years ago

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Stockholm: Swedish researchers have uncovered a direct link between polluted air and dementia.

People who live in homes exposed more heavily to pollution run a 40 percent greater risk of developing Alzheimer’s disease and vascular dementia than those who live in areas with cleaner air, a study at Umea University says.

“In total, about 16 percent of all the cases of dementia in the study might have been caused by exposure to pollution,” researcher Bertil Forsberg said describing the results as “sensational.”

The study, published in the journal Environmental Health Perspectives, studied nearly 2,000 people over a 15-year span while simultaneously tracking traffic patterns in the northern Swedish city of Umea, as per reported.

All participants were 55 or older and free of any disease symptoms when the study began.

The researchers established the elevated risk having controlled for factors such as age, education level, lifestyle and body fat.

While previous research linked air pollution to cancer, asthma and respiratory diseases, academics have in recent years begun to probe how air quality affects the brain.

“We know that very small particles can enter the brain through the olfactory nerve and cause direct damage,” Forsberg said.

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Corona

Covid toll in Karnataka is a worrying sign for state government

Published

2 years ago

on

May 4, 2022

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Even though Karnataka recorded the lowest number of Covid deaths in April since the virus struck first in 2020, the state is recording a rise in the positivity rate (1.50 per cent). Five people died from the Covid infections in April as per the statistics released by the state health department. In March, the positivity rate stood around 0.53 per cent. In the first week of April it came down to 0.38 per cent, second week registered 0.56 per cent, third week it rose to 0.79 per cent and by end of April the Covid positivity rate touched 1.19 per cent.

on an average 500 persons used to succumb everyday in the peak of Covid infection, as per the data. Health experts said that the mutated Coronavirus is losing its fierce characteristics as vaccination, better treatment facilities and awareness among the people have contributed to the lesser number of Covid deaths.

During the 4th and 6th of April two deaths were reported in Bengaluru, one in Gadag district on April 8, two deaths were reported from Belagavi and Vijayapura on April 30. The first Covid case was reported in the state in March 2020 and three Covid deaths were recorded in the month. In the following month 21 people became victims to the deadly virus, and May 2020 recorded 22 deaths. The death toll recorded everyday after May crossed three digits. However, the third wave, which started in January 2

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