24-Hour Crisis Hotline: (877)SAFEGBC or (877)723-3422 Mental Health & Substance Abuse Issues

6502 Nursery Drive, Suite 100
Victoria, TX 77904
(361)575-0611
(800)421-8825
Fax: (361)578-5500

Medical Disorders
Resources
Basic InformationLookupsLatest News
Don't Want a 2nd Heart Attack? Lose the Belly FatHow to Keep Those Blood Vessels PumpingScreening for Chinese Coronavirus to Start at 3 Major Airports: CDCDo You Take Warfarin? Time of Day Might Not MatterHealth Tip: Signs of Food PoisoningSepsis Causes Far More Deaths Worldwide Than ThoughtMillennials Most Likely to Skip Flu Shot, Believe 'Anti-Vaxxer' Claims: PollResearchers Alter Mosquitoes to Resist Dengue InfectionMany Americans Are Inactive, With Southerners Faring WorseVirtual Reality Can Bring Real-Life PainAre Doctors Discarding 'Injured' Kidneys That Might Be Used for Transplant?Nerve Stimulation Therapy Could Cut Fibromyalgia PainWhich Obesity Surgery Is Right for You?Brake Dust Another Driver of Air PollutionWhat Works Best to Help Men With Overactive Bladder?More Studies Link Vaping to Asthma, COPDCertain Diabetes Meds May Lower Gout Risk, TooHeart Transplants From Donors With Hepatitis C May Be Safe: StudyClimate Change May Translate Into More Fatal InjuriesAll in the Timing: Many Get Knee Replacement Too Late or Too SoonHealth Tip: Preparing for an UltrasoundLow Levels of Key Blood Cells Could Signal Higher Death RiskGyms Are Fertile Ground for GermsTwo More Heartburn Meds Recalled Due to Possible CarcinogenZika Damage Showing Up in Babies Deemed 'Normal' at BirthHealth Tip: Coping With Winter NosebleedsHeart Disease May Up Risk of Kidney FailureFlu Cases Surge Early, Could a Tough Season Lie Ahead?Cluster of Unhealthy Risk Factors Could Raise Odds of Recurrent Blood ClotsAHA News: Worried About Dementia? Check This Blood Pressure NumberNew Study Reports Alarming Surge in E-Scooter AccidentsSo Long, 98.6: Average Human Body Temperature Is DroppingWhat Matters More for Obesity Risk, Genes or Lifestyle?Health Tip: Protect Yourself From Household ChemicalsOzone, Wood Smoke Raise Odds of COPD in Smokers and NonsmokersSmog May Be Bad for Your BonesEver Get a Rash from Your Skin Cream or Makeup? Here's WhyHealth Tip: 5 Eye Myths DebunkedHealth Tip: Allergic Reaction First AidTB Vaccine More Powerful When Given IntravenouslyGene Therapy May Be Long-Term Cure for Type of HemophiliaClots in Space: Astronaut's Blocked Vein Brings Medical InsightHealth Tip: Help Your Child Safely Lose WeightPatients Often Bring Undetected 'Superbug' to the Hospital: StudyExperimental Drug Could Be New Option Against ArthritisBanned for Decades, DDT and Dioxins Are Still Harming U.S. BabiesHealth Tip: When Bruising is a Red FlagAmericans Need to Tackle Youth Obesity: U.S. Task ForceFestive Foods Can Leave Those on Restricted Diets Out in the ColdHow You Can Be Overfat Without Being Overweight
Questions and AnswersLinks
Related Topics

Diabetes

Some Cities' Smog Can Ruin Your Vacation

HealthDay News
by -- Robert Preidt
Updated: Dec 3rd 2019

new article illustration

TUESDAY, Dec. 3, 2019 (HealthDay News) -- Got travel plans abroad? Spending just a short time in a highly polluted city can harm your health, researchers warn.

"It's widely known that long-term exposure to air pollution is associated with increased cardiovascular disease. But it was unknown whether a short-term visit to a location with severe air pollution could have any significant impact," study lead author Dr. Jesus Araujo said in a University of California, Los Angeles news release.

Araujo is a professor of medicine and director of environmental cardiology at UCLA's David Geffen School of Medicine.

The study included 26 nonsmoking healthy adults from Los Angeles who spent 10 weeks in Beijing during the summers of 2014 and 2015. Their average age was about 24.

Participants were divided into two groups. Blood samples were taken from the first group after eight weeks in Beijing and from the second group after six weeks in the Chinese capital city.

Both groups had significant negative health changes during their time in Beijing. These included higher levels of oxidized fats that increased heart inflammation, and a change in enzyme function, which is associated with heart disease.

The researchers also found that the participants had up to an 800% greater concentration of air pollutants in their bodies while in Beijing than they did when in Los Angeles.

However, most of the negative health effects reversed within four to seven weeks after their return to Los Angeles, according to the study. The results were recently published in the journal Circulation.

During the study, the concentration of airborne particles in Beijing averaged 371% higher than in Los Angeles.

"It's likely that the health effects would be even more prominent after longer exposure to air pollution, repetitive travels, or among individuals with preexisting health conditions," said study first author Yan Lin, a postdoctoral associate at Duke University's Global Health Institute in Durham, N.C.

Beijing is among many highly polluted cities that attract millions of tourists and business travelers each year, the researchers noted. They suggested ways to reduce the risk of health problems when visiting seriously polluted cities:

  • Avoid intense physical activity such as running outdoors or hiking.
  • If you have a heart condition, keep your visits to these cities short.
  • If you must stay for an extended period, stay indoors as much as possible with air purifiers running.

More information

The World Health Organization has more on air pollution.