Air pollution cancels out benefits of exercise

Air pollution cancels out benefits of exercise

Air pollution cancels out benefits of exercise

The average pollution exposure was 14 micrograms per cubic meter of PM 2.5, the tiny particles that easily enter the smallest airways in the lungs.

But the researchers, from Imperial College London and Duke University in the USA, also discovered that air pollution is very localised - so leaving a busy street and exercising in a park instead was enough to reverse the trend.

"Our research suggests that we might advise older adults to walk in green spaces, away from built-up areas and pollution from traffic".

In the United Kingdom, polluted air contributes to about 40,000 deaths a year, almost a quarter of them in London.

Scientists have known for years that air pollution has expensive, harmful health consequences.

The researchers from Imperial College London and Duke University in the United States of America recruited 119 people for the study who were either healthy, had stable heart disease, or stable chronic obstructive pulmonary disease (COPD) - a type of lung disease.

Terror plot to assassinate UK Prime Minister foiled by police, reports say
Security measures were introduced in the 1970s but were increased in the 1980s as the threat from Irish republican groups grew. The conspiracy prevention operation lasted for several weeks, involving MI-5, Scotland Yard and the police.

Chung and Zhang conducted the study with colleagues at the MRC-PHE Centre for Environment and Health at Imperial College London; the NIHR Biomedical Research Unit, Royal Brompton & Harefield National Health Service Trust; Peking University; Duke Kunshan University; the MRC-PHE Centre for Environment and Health at King's College London; and Rutgers. All participants had abstained from smoking for the past 12 months, and continued any medications as usual throughout the study.

Patients walked for two hours in two London settings at midday; in a "relatively quiet" part of Hyde Park and along a section of Oxford Street.

Three to eight weeks later, the participants swapped routes.

The volunteers were asked to take two-hour walks at midday in two London settings: a busy section of Oxford Street (which regularly exceeds worldwide air quality limits) and a relatively quiet, traffic-free area of Hyde Park. But, a walk along a busy roadside led to only a small increase in lung capacity in participants, far lower than recorded in the park, the research suggested.

This effect was reduced when walking along Oxford Street, the researchers added, with a maximum change in arterial stiffness of 4.6% for healthy volunteers, 16% for those with COPD and 8.6% for heart disease patients.

Traffic pollution poses health risks for older people and unborn babies according to two separate studies published today.

Bengaluru: Ola cab driver molests woman after locking her inside the vehicle
Responding to the incident, an Ola spokesperson said, "We regret the unfortunate experience the customer had during their ride". She then ran few hundred meters until she could find an auto-rickshaw.

To conduct the study, the researchers recruited 119 volunteers over the age of 60 who were either healthy, had stable COPD, or stable ischemic heart disease.

Analysis revealed that participants benefitted from walking in the park, with lung capacity improving within the first hour and a significant lasting increase for more than 24 hours in many cases.

"In London, the introduction of the low emission zone has had little impact on particulate matter levels".

It's no secret that cities are some of the most polluted places on Earth.

"We need to reduce pollution so that everyone can enjoy the benefits of physical activity in any urban environment", he added. They found no evidence that traffic noise was linked to birth weight but "cannot rule out that an association might be seen in a study area with a wider range of noise exposures".

"The findings from recent Lancet paper are relevant to Australia since some of our busy roads may fall within the poor air quality observed in Oxford Street, London".

Mueller subpoenas Trump's financial records
The nature of their authority lends itself to ever-expanding scopes as they attempt to gain leverage over material witnesses. They wanted to get to Trump's financial records to dig up any tax evasion or other financial crimes to use against him.

Related news