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Cardiovascular disease (CVD) is the leading cause of death and disability across the globe due to ischaemic heart disease and stroke (including both haemorrhagic and ischaemic stroke). Unlike ischaemic heart disease, which is the leading cause of premature death in most Western countries, stroke is the most responsible cause in China, followed by heart disease.
Although ischaemic stroke accounted for the majority of strokes, the proportion of haemorrhagic stroke in China is still higher than that in high income countries. Eggs are a prominent source of dietary cholesterol and also contain high-quality protein, vitamins and bioactive components-phospholipids and carotenoids.
Previous studies looking at associations between eating eggs and impact on health have been inconsistent, and most of them found insignificant associations between egg consumption and coronary heart disease or stroke. Eating an egg daily could reduce the risk of cardiovascular diseases compared with eating no eggs, suggests a study carried out in China.
A team of researchers from China and the UK led by Professor Liming Li and Dr. Canqing Yu from the School of Public Health, Peking University Health Science Center, examined the associations between egg consumption and cardiovascular disease, ischaemic heart disease, major coronary events, haemorrhagic stroke and ischaemic stroke.
Researchers focused on 416,213 participants who were free of prior cancer, cardiovascular disease (CVD) and diabetes. From that group at a median follow-up of 8.9 years, a total of 83,977 cases of CVD and 9,985 CVD deaths were documented, as well as 5,103 major coronary events.
At the start of the study period, 13.1% of participants reported daily consumption (usual amount 0.76 egg/day) and 9.1% reported never or very rare consumption (usual amount 0.29 egg/day) of eggs.
Analysis of the results showed that compared with people not consuming eggs, daily egg consumption was associated with a lower risk of CVD overall. Daily egg consumers (up to one egg/day) had a 26% lower risk of haemorrhagic stroke—the type of stroke with a higher prevalence rate in China than in high-income countries—a 28% lower risk of haemorrhagic stroke, death and an 18% lower risk of CVD death.
haleplushearty.org