World Bulletin / News Desk
People living near major roads have a higher chance of developing dementia, according to a large-scale study published in British medical journal The Lancet on Thursday.
The research looked at six million adults living in Ontario, Canada between 2001 and 2012, and found that those living less than 50 metres (yards) from a busy road had a seven percent higher incidence of dementia.
The risk was four percent above normal for those living 50-100 metres from main roads and two percent higher among those 100-200 metres away.
There was no discernable elevated risk among people living more than 200 metres from a major route.
The study, led by Hong Chen from Public Health Ontario, found that long-term exposure to two common pollutants -- nitrogen dioxide (NO2) and fine particulates -- were associated with dementia but did not account for the full effect.
This suggested that other factors -- such as noise or other pollutants -- may play a contributing role.
The research did not establish any link between proximity to heavy traffic and other neurological conditions such as Parkinson's Disease or multiple sclerosis.
According to the World Health Organization, 47.5 million people worldwide have dementia -- a syndrome marked by deterioration in memory, thinking, behaviour and the ability to perform everyday activities.
Other causes of dementia include stroke and hypertension.
Pollution has long been suspected as playing a role in the development of Alzheimer's disease but no clear link had been established until now.
"Our study suggests that busy roads could be a source of environmental stressors that could give rise to the onset of dementia," Hong said.
"Increasing population growth and urbanisation has placed many people close to heavy traffic, and with widespread exposure to traffic and growing rates of dementia, even a modest effect from near-road exposure could pose a large public health burden."
Number just 1 million shy of those who would have been without coverage under previous Republican draft
The human genome has some 25,000 genes composed of more than three billion pairing of building-block molecules.
On a pro-forma 2016 basis, the merged group would have combined sales of approximately $13.2 billion (11.8 billion euros) and underlying or operating profit of $2.3 billion.
The seed vault that protects the worlds' seed crops, also protects European and South American varieties of aubergine, lettuce, barley and potatoes.
Early polls indicated broad support for the plan, but the most recent survey, published on May 10, showed the "yes" side slipping to 56 percent -- a drop of five points from late March.
Authorities declare quarantine against movement of chicken and ducks
Cholera cases in country could reach 300,000 within six months, WHO Yemen representative says
In recent years rangers have tried to clean up Khao Sam Roi Yot national park and this year were rewarded with a sea of pink flowers.
Over 17,200 suspected cases of cholera were reported in Yemen
Cholera has hit 13 of 18 Somalia’s provinces, in biggest outbreak in the country in 5 years, according to WHO
The fate of the superhighway remains on hold pending the final decision of the Abuja authorities, expected in the coming weeks.
The new policy would also help guarantee the labor and human rights of the six million small farmers and 30 million workers who harvest rubber in countries such as Indonesia, Thailand and Brazil.
Turkey makes strides in developing its medical tourism sector by implementing policies that facilitate foreign visitors
A prolonged drought descended on the region last year, shriveling two rivers that feed into Lake Atescatempa, and with it the flow of tourists to the area and the livelihood of residents.
The WHO says that pre-term birth complications in Indonesia are the leading cause of death among children under five.
The WHO said the outbreak affects an equatorial forest region in Bas-Uele province, bordering Central African Republic.