• Спецпроекты
  • Weather forecast
    • Exchange Rates
    • 417.09
    • 504.7
    • 5.6
  • SEND YOUR NEWS TO US WhatsApp +7 (777) 001 44 99
  1. Main
  2. Learn
  3. Life
  4. Health

Study of exhaust particles hints at Alzheimer's risk 06 сентября 2016, 17:23

Microscopic particles, possibly from air pollution, have been found in human brain tissue, according to a new study into Alzheimer's risk.

Study of exhaust particles hints at Alzheimer's risk Study of exhaust particles hints at Alzheimer's risk

Microscopic particles, possibly from air pollution, have been found in human brain tissue, according to a new study which flagged an Alzheimer's risk, AFP reports.

The study authors urged further research into any "possible hazard to human health", even as outside experts cautioned it was premature to draw a definitive link between the particles and neurodegenerative disease.

A team of scientists from Britain, Mexico and the United States conducted magnetic tests on frozen brain tissue obtained from 37 people aged three to 92.

They found nanoparticles of magnetite, a form of iron ore, that looked different from those which are formed naturally by the human brain.

Instead, the particles showed "compelling similarity" to particulate matter formed by fuel combustion, found in urban air pollution -- from car exhausts, factory fumes and indoor cooking fires, said the team.

"Previous work has shown a correlation between the amount of brain magnetite and the incidence of Alzheimer's disease," they wrote in the US-based journal Proceedings of the National Academy of Sciences.

And they said that "exposure to such airborne PM-derived magnetite nanoparticles might need to be examined as a possible hazard to human health."

Experts not involved in the study said it did not provide conclusive proof that the particles came from pollution, or that they had anything to do with causing Alzheimer's disease.

"There needs to be a better study carried out" to compare magnetite in the brains of Alzheimer's patients from areas with high and low levels of pollution, said Jennifer Pocock of  University College London's Institute of Neurology.

"I don't think we can say yet if it causes Alzheimer's," added Peter Dobson of King's College London.

"But it is cause for concern more generally, because magnetite particles have been linked to other health problems such as cardiovascular disease and pulmonary diseases," Dobson told the Science Media Centre in London.


Nobel prizewinner proposes a new city in KZ
New abnormal snowfalls expected in Kazakhstan
Huge glacier retreat triggered in 1940s
Hyperloop construction begins in Las Vegas
"Moonlight" to top Spirit Awards nominations
Oil prices fall due to investors uncertainty
New dwarf galaxy discovered around Milky Way
Kanat Islam becomes a top ten WBO boxer
World oil prices continue to rise
Kazakhstan expects warming - Kazhydromet
Merkel to seek fourth term as chancellor
Sale of Tintin drawings set to break records
US, EU stocks fall as markets focus on dollar
Pacific leaders urged to defend free trade
EU warns eight nations on budget deficit
Universiade-2017: Athletic Village is ready
Bob Dylan can't make Nobel ceremony
Messi will never leave Barca - club president
Google, Facebook take aim at 'fake' news
Aerosmith announces Europe 'farewell' tour
Putin, Trump to normalise US-Russia ties
At least 10 hurt in southern Turkey blast
6.2 quake hits western Japan