It is enough to scramble your brain. One minute, experts say eggs are bad for you, the next that they are good for you. Now, eggs are bad again, say US scientists. They say three to four eggs a week could significantly raise your risk of cardiovascular disease “incidents” (heart attack or stroke) and premature death. Their study, in the Jama (Journal of the American Medical Association), undermines the reputation rehabilitation that has restored eggs’ pride of place on breakfast tables globally. Nutrition experts moved quickly to defend the humble egg and debunk the study. They said the researchers’ conclusions are not all they’re cracked up to be. The Jama study seems impressive: it is large and long term; and the researchers have combined and analysed findings from six studies, involving 30,000 subjects between 1985 and 2016, with an average 17-year follow-up. They made two major conclusions:

Eating three to four eggs per week is associated with 6% higher risk of cardiova...

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