Red Meat Hastens Early Death
The research, led by Harvard professor Frank Hu, PhD, MD, followed nearly 38,000 men and almost 84,000 women between 1980 and 2008. During that period, 23,926 men and women died. The researchers followed their diets throughout the 28-year study period, updating them every four years.
Those who ate an average of one serving a day more of unprocessed red meat were 13% more likely to die. Those who ate one serving a day more of processed red meat had a 20% higher incidence of death.
Those who ate an extra serving per day of processed meat had a 21% higher risk of dying from heart disease, while those who ate a serving a day more unprocessed red meat were 18% more likely to die from heart disease.
Those who ate a serving a day more processed meat had a 16% higher risk of dying from cancer.
The researchers also found for every one serving of red meat replaced by other (non-red meat) forms of protein, the mortality risk dropped by between 7% and 19% – depending upon the type of protein.
This study confirms a similar study conducted in 2009 by the National Cancer Institute, which included a population study conducted by the National Institutes of Health and the American Association of Retired Persons. This study followed 500,000 people between the ages of 50 and 71 years old.
After ten years, those who ate more red meat had an increased death rate of 31% for men and 36% for women. Those who ate more red meat had an increased risk of death due to cancer by 22% and 20% among men and women respectively.
Those eating more red meat also had a 27% and 50% increased risk of dying from heart disease for men and women respectively.
Other studies have found similar results when investigating specific diseases, such as heart disease, colon cancer, kidney cancer and others.
Of this most recent study, lead researcher Dr. Hu was surprised at the impact of eating more red meat. “The results are not really surprisingly given that previous studies have found consumption of red meat is linked to diabetes, heart disease and certain cancers. What’s surprising is the magnitude… Even a small amount of red meat is associated with a significantly increased risk of mortality,” Dr. Hu told Reuters Health.
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An Pan, PhD; Qi Sun, MD, ScD; Adam M. Bernstein, MD, ScD; Matthias B. Schulze, DrPH; JoAnn E. Manson, MD, DrPH; Meir J. Stampfer, MD, DrPH; Walter C. Willett, MD, DrPH; Frank B. Hu, MD, PhD. Red Meat Consumption and Mortality: Results From 2 Prospective Cohort Studies. Arch Intern Med. Published online March 12, 2012.
Sinha R, Cross AJ, Graubard BI, Leitzmann MF, Schatzkin A. Meat intake and mortality: a prospective study of over half a million people. Arch Intern Med. 2009 Mar 23;169(6):562-71.
Case Adams is a California Naturopath with a PhD in Natural Health Sciences, and Board Certified Alternative Medicine Practitioner. He has authored 26 books on natural healing strategies. “My journey into writing about alternative medicine began about 9:30 one evening after I finished with a patient at the clinic I practiced at over a decade ago. I had just spent the last two hours explaining how diet, sleep and other lifestyle choices create health problems and how changes in these, along with certain herbal medicines and other natural strategies can radically yet safely turn our health around. As I drove home that night, I realized this knowledge should be available to more people. So I began writing about health with a mission to reach those who desperately need this information. The strategies in my books and articles are backed by scientific evidence along with wisdom handed down through traditional medicines for thousands of years.” Case connects with nature by surfing, hiking, running, biking and according to Dad, being a total beach bum.