This isn’t just a theory. In one alarming case, a 30-year-old man in China was hospitalized after suffering a mild stroke. Despite eating fresh, clean hard-boiled eggs daily, he found cholesterol levels more than double the safe limit, from 5.1 mmol/L to 11 mmol/L. This incident serves as a wake-up call for those who believe hard-boiled eggs are harmless in any quantity.