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March 13, 2009 -- Whether you drive, take the bus, or bicycle, being in heavy traffic triples your risk of heart attack within one hour. Air pollution from car fumes is the likely culprit, suggest Annette Peters, PhD, and colleagues at the Institute of Epidemiology, Helmholtz Center, Munich, Germany. In a previous study, Peters and colleagues found that a sizeable proportion of heart attacks -- about 8% -- could be attributed to being in traffic. To follow up, the researchers interviewed 1,454 people who survived heart attacks. In the hour before their heart attack, many of the survivors had been in heavy traffic. Analysis of the data showed that these heart-attack-vulnerable people were 3.2 times more likely to suffer a heart attack if they'd been in heavy traffic in the previous hour.

Diesel exhaust inhalation increases thrombus formation in man. Lucking AJ, Lundback M, Mills NL, Faratian D, Barath SL, Pourazar J, Cassee FR, Donaldson K, Boon NA, Badimon JJ, Sandstrom T, Blomberg A, Newby DE. Eur Heart J. 2008 Dec;29(24):3043-51. Epub 2008 Oct 24. PMID: 18952612

de Lorgeril M, Salen P, Martin J-L, Monjaud I, Delaye J, Mamelle N:\nMediterranean diet, traditional risk factors and the rate of\ncardiovascular complications after myocardial infarction. Final report of the Lyon Diet Heart Study.\nCirculation 1999, Febr

Egg consumption in relation to cardiovascular disease and mortality: the Physicians' Health Study. Djoussé L, Gaziano JM. Am J Clin Nutr. 2008 Apr;87(4):964-9. PMID: 18400720 Conclusions: Infrequent egg consumption does not seem to influence the risk of CVD in male physicians. In addition, egg consumption was positively related to mortality, more strongly so in diabetic subjects, in the study population.