Egg yolks are bad for you again.
http://www.latimes.com/health/boostershots/la-heb-egg-cholesterol-smoking-20120814,0,1391259.story
http://www.latimes.com/health/boostershots/la-heb-egg-cholesterol-smoking-20120814,0,1391259.story
The study, published Tuesday in the journal Atherosclerosis, measured the carotid wall thickness -- a key indicator of heart disease risk -- of 1,231 patients referred to a vascular prevention clinic, and asked each to detail a wide range of their health habits, from smoking and exercise to their consumption of egg yolks. Just as smoking is often tallied as "pack-years" (the number of cigarette packs smoked per day for how many years), egg-yolk consumption was tallied as "egg yolk years" (the number of egg yolks consumed per week times the number of years they were eaten).
Smoking tobacco and eating egg yolks increased carotid wall thickness in similar fashion -- which is to say, the rate of increase accelerated with each stair-step up in cigarette smoking or yolk consumption. By contrast, for those who did not smoke, or who rarely consumed egg yolks, carotid wall thickness increased after 40, but at a slow-steady rate.
For those whose consumption of whole eggs was in the highest 20%, the narrowing of the carotid artery was on average about two-thirds that of the study's heaviest smokers.