A Harvard University doctoral student, Nick Norwitz, tested the long standing belief that eggs harm heart health by raising bad cholesterol. He ate a total of 720 eggs over a single month and shared the journey on a YouTube channel so curious readers could follow the experiment. The aim was to challenge the idea that high egg consumption automatically drives up LDL cholesterol and to see what happened under a controlled, real world diet.
Before starting, Norwitz hypothesized that eggs would not raise LDL. Instead he thought the cholesterol in eggs might be managed by the body in a way that reduces harmful lipoproteins. To test the idea he consumed two dozen eggs daily, a staggering intake meant to push dietary cholesterol to the limit and observe any changes in his blood markers over a month.
After the month, the researcher reported no negative effects from the diet. In fact measurements indicated an 18 percent drop in LDL cholesterol. Some experts say the liver may respond to heavy egg consumption by dialing back the production of certain lipoproteins, which could explain the observed decrease.
Gastroenterologist Tatyana Zharovskaya has offered guidance for people with high cholesterol. She advises limiting saturated fats in the diet including eggs, and suggests that eggs are not eaten more than once per day for most patients.
Beyond this single experiment, the broader scientific view on eggs remains nuanced. Eggs are a rich source of high quality protein and essential nutrients, but individual responses to dietary cholesterol can vary. In many people, moderate egg intake fits within an overall heart healthy pattern, especially when paired with vegetables, fiber, and other heart friendly choices. Still, lifestyle and total diet matter more than any single food.
Earlier reports indicated Russia planned new steps to ease egg prices as markets adapt to demand. This context shows how eggs appear in both science and daily life, influencing health decisions and consumer prices around the world.
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