Eggs being a key food for many keto followers, makes me wonder if big pharma/food is fighting back at all fronts. Keto crotch and now this.

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https://www.usnews.com/news/health-news/articles/2019-03-15/study-four-eggs-a-week-increases-risk-of-heart-disease-death

A NEW STUDY THREATENS to once again reverse the conventional wisdom about eggs and their place in a healthy diet, finding that people who consume more of the beloved breakfast food had an increased risk of cardiovascular disease and death.

Research results from the Northwestern University Feinberg School of Medicine found that adults who eat more eggs and dietary cholesterol have a significantly higher risk of heart disease and death from any cause.

That conclusion is generally consistent with decades of warnings to limit intake of eggs – advice that was suddenly reversed in the 2015-2020 Dietary Guidelines for Americans, which no longer limited how much dietary cholesterol people should consume.

The 2010 Dietary Guidelines advised people to limit cholesterol intake to 300 milligrams per day. That instruction was not included in the latest version of the guidelines, which did note that "this change does not suggest that dietary cholesterol is no longer important to consider."

Eggs, especially egg yolks, are high in dietary cholesterol.

Researchers in the Northwestern study found that eating 300 milligrams of cholesterol per day was associated with a 17 percent higher risk of heart disease and an 18 percent higher risk of all-cause deaths. Additional results showed that eating three to four eggs a week was associated with a 6 percent higher risk of heart disease and an 8 percent higher risk of all-cause death.

The report said egg yolks are one of the richest sources of cholesterol among commonly consumed foods. One large egg yolk has 186 milligrams of cholesterol.

"Individuals should eat as little dietary cholesterol as possible while consuming a healthy eating pattern," the guidelines state. "In general, foods that are higher in dietary cholesterol, such as fatty meats and high-fat dairy products, are also higher in saturated fats."

The authors even suggest that the most recent version of the federal dietary guidelines, in which eating eggs is still recommended, may need to be re-evaluated in light of their study's findings.

Although previous studies on egg consumption found that eggs did not increase the risk of heart disease, the studies did not have a diverse sample and were short-term studies that did not adjust for other parts of the diet, Norrina Allen, co-author and associate professor of preventive medicine, said in a press release.

In the Northwestern study, researchers were able to compare two people who otherwise had the same diet, but one of whom consumed more eggs.

"Our study showed if two people had exact same diet and the only difference in diet was eggs, then you could directly measure the effect of the egg consumption on heart disease," Allen said. "We found cholesterol, regardless of the source, was associated with an increased risk of heart disease."

Based on the findings, researchers advise that people eat fewer eggs, but they do not have to cut them out completely. Eggs contain other nutrients important to a healthy diet, such as iron and amino acids.

"We want to remind people there is cholesterol in eggs, specifically yolks, and this has a harmful effect," Allen said. "Eat them in moderation."