Ladies, you may want to talk among yourselves on this one!
Julie G wrote: What do you make of the egg/prostate noise summarized nicely here. (The site loads slowly, but it works & is worth the wait.)
A number of the cited studies use food frequency questionnaires, which I usually discount. The Choline C-11 PET scan is interesting. Everything is association, with no really arrow of causation, so I really don't know. I can say I eat a lot more eggs than their cutoffs and have a low PSA (as stated above at 0.5) as of a year ago.
Thank you for raising these important issues. I am still trying to wrap my head around this Harvard paper. One thing that jumped out at me was that the authors themselves state that these findings only held for North America! There was no such effect in the rest of the world. So if excess choline is the cause, then wouldn’t this biochemical fact hold for the entire male population, and not just those of us in the U.S. and Canada.
I also started to do some research to see if there was a correlation between egg consumption and prostate cancer mortality. It’s crude but could be provocative. Here is what I have found out:
The top country in the world for per capita egg consumption is China. In 2008, the average Chinese person consumed the 333 eggs per year. In the same year, by comparison, average consumption in the U.S. was 248 eggs….i.e., 85 fewer eggs consumed per person per year. One might therefore expect a concomitant increase in fatal PC in Americans.
But the annual mortality rate from prostate cancer in China was 2.5 per 100,000 men (in 2013), while the annual mortality rate from PC in the US in that same year was 19.9 per 100,000 men. In other words, American men on average eat far fewer eggs but have a PC mortality rate almost eight times greater than in China! And, as I said, there is no correlation between egg yolk or choline consumption outside the borders of the U.S. and Canada.
Julie G wrote:I decided to take a look at men's average BMI as an indicator of insulin resistance. For China: 24.2, Japan: 23.6, US: 28.8, Canada: 27.6.
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